西方称之为sadomasochism(简称sm)，统指与施虐、受虐相关的意识与行为。
在中国，SM有一个更为温暖的称呼：虐恋。虐恋一词英文为Sadomasochism，是施虐倾向(Sadism)和受虐倾向(Masochism)二者的合成词。它的简写即我们通常所说的SM。虐恋现象最早发现于17世纪末，首先出现在文学活动和一些商业性虐待服务中。最早的虐恋文学当然首推法国作家萨德(Sade)和奥地利作家马索克(Masoch)的作品，Sadomasochism一词即是由心理学家艾宾(Richard von
Krafft-Ebing)通过他们的名字创造出来的。
SM Service Mark
SM Statute Mile
SM Square Miles
SM Single Mode
SM Small (size)
SM Smooth Muscle (biology)
SM Santa Maria (California)
SM Surface Mount
SM Sales Manager
SM Sailor Moon (anime)
SM San Marino
SM Smart Media (data storage)
SM Shopping Mall
SM Slave Master
SM Sheet Metal
SM Senior Member
SM Santa Monica (California)
SM Systems Management
SM Super Mario (Nintendo game)
SM System Management
SM Service manager (US DoD)
SM Sutton (postcode, United Kingdom)
SM Superman
SM Submarine
SM Security Management
SM Service Module (Russian-made unit No 2 of International Space Station)
SM Service Module (power/propulsion section of US Apollo spacecraft)
SM Senior Manager
SM Silver Medal
SM Master of Science
SM Serbia and Montenegro
SM Service Menu
SM Shared Memory
SM Short Message
SM Simple Minds (band)
SM Samarium
SM Singlemode
SM Security Manager
SM Sergeant Major
SM Size Matters
SM Servicing Mission
SM System Monitor
SM Scientific Method
SM Shader Model
SM Scheduled Maintenance
SM System Manager
SM Skim Milk
SM Skymiles (Delta Frequent Flyer Program)
SM Snail-Mail
SM Stepmania (dance simulator)
SM Service Member
SM Segundamano (second hand bargain stores in the Philippines)
SM Shoot Me
SM Shawn Michaels (Pro Wrestler)
SM Semiconductor Manufacturing
SM Sado-Masochism
SM Sa Majesté (French: His/Her Majesty)
SM Support Manager
SM Senior Minister
SM Shoe Mart
SM Stormed
SM Scoutmaster (Boy Scouts of America)
SM Syringomyelia (Cavalier King Charles Spaniel)
SM Su Majestad (Spanish: His/Her Majesty)
SM Shoemart (Manila, Philippines)
SM Smash Mouth (band)
SM Shure Microphone
SM Super Metroid (video game)
SM Saint Marc (French School; Alexandria, Egypt)
SM Self-Mutilation
SM Structural Model
SM Selective Mutism (anxiety disorder)
SM Schistosoma Mansoni
SM Shuttle Mission (NASA)
SM Serratia Marcescens
SM Syndicat de La Magistrature (French: Union of Magistrates)
SM Servomotor
SM Set Mode
SM Super Metroid (game)
SM Switching Module
SM Selective Media (cell plating)
SM Spare Me
SM Secondary Mirror
SM Simple Machine
SM Security Monitor
SM Styrene Monomer
SM SourceMod (gaming)
SM Synchronous Motor
SM Shigeru Miyamoto (video game producer)
SM Swollen Members (band)
SM Shawn Marion (NBA Player)
SM Structure Model
SM Silver Medallion (Delta Sky Miles)
SM Super Mall (Philippines)
SM Surgical Margin
SM Selling Manager (Ebay selling tool)
SM Small Manufacturing
SM Satellite Modem
SM Simple Multicast (computer networking)
SM Sclerosis Multiplex (Latin: Multiple Sclerosis)
SM Samarai
SM Song Meanings
SM Samsung Motors
SM Security Manual
SM Secretaría de Marina (Spanish: Secretariat of the Navy, Mexico)
SM Spiritual Master (religion)
SM Synthetic Media (cell plating)
SM Seamless Mobility
SM Student Manager
SM Single Manager
SM Scanning Mode
SM Soo Man (record company)
SM Supply Manual
SM Scattering Matrix
SM Sciences de La Matière (French: Science of Matter)
SM Study Manager
SM Smart Munitions
SM Single-Family and Multi-Family (zoning)
SM Shanghai Municipality
SM Spectromètre de Masse (French: Mass Spectrometer)
SM Shipping Manifest
SM Seung Mina
SM Strong Mad (homestarrunner.com character)
SM Slam Magazine
SM Supervisor Manual
SM Separation Module
SM Silhouette Mirage (video game)
SM Standby Monitor
SM Script Mode
SM Seine Majestät (German: His Majesty)
SM Subscriber Manager (Cisco)
SM Scarlet Monastary (World of Warcraft game)
SM Shading Model (change detector)
SM Skyscraper Museum
SM Sensitivity Measure
SM Synchronous Multiplexer (Alcatel)
SM Societas Mariae (Society of Mary, Marianists, religious order)
SM Sarao Motors (manufacturer of passenger Jeepneys in the Philippines)
SM SONET Multiplexer (Alcatel)
SM Scatterable Mine
SM Short Meter (hymnology)
SM Support Magistrate (courts)
SM Smagorinsky model
SM Secretary's Memorandum (US DoD Joint Staff)
SM Sequence Monitor
SM Slave Motor
SM Shrine Mont (Orkney Springs, VA)
SM Sub-Memory
SM Surge Margin (compressor aerodynamics)
SM Step-Mom/Mother
SM Safeguards Measurements
SM Swine Mycoplasmosis (swine enzootic pneumonia)
SM Suger Montano (Guatemala Central America, school)
SM Syndicat de La Mesure (French: Union of Measure)
SM Shoals Music (music industry magazine)
SM Systèmes Microbiens (French: Microbial Systems)
SM Directorate for Systems Management
SM Siemens Metering AG
SM Suomen Mestari/Mestaruus (Finnish Champion/Championship)
SM Sponge Minion (Harry Potter)
SM Step/Stepping Motor
SM (USN Rating) Signalman
SM Serial Magnitude
SM Sperm Measurement
SM Steele Matrix
SM Silly Muffins (viral video service)
SM Solar Mass (astronomy)
SM Sports Medicine
SM Standard Model (physics)
SM Society of Mary (Marists, religious order)
SM Sprung Monkey (band)
SM Space Mapping
SM Stardust Memory (Gundam)
SM Social Mobility (sociology)
SM Special Message
SM Star Museum (Entertainment; South Korean entertainment company)
SM Spectrum Management
SM State Machine
SM Stable Memory
SM Simple Mastectomy (surgical procedure)
SM Spontaneous Mutation
SM Software Manager (KPA of CMM commonly used by SEI)
SM Snooker Master (USDAA dog agility title)
SM Stock Market
SM Street Modified (automobiles)
SM Soul Master (gaming)
SM Spider Man
SM Stable Member
SM Staff Month
SM Stage Manager
SM Standard Missile
SM Standards Manual
SM Soldier's Manual
SM Soldier's Medal
SM Space Mirror
SM Special Monthly
SM Strategic Missile
SM Spinal Meningitis
SM Soft Money
SM Staff Meeting
SM Special Mention (variant of OAEM and OLEM)
SM Staff Memorandum (JCS)
SM Special Missions
SM Soul Man (song)
SM Soul Mate
SM Space Mountain (Disney park)
SM Sphingomyelin (protein)
SM Statistical Multiplexing
SM Splash Mountain
SM Standard Smoker (insurance)
SM Stipendiary Magistrate (Australia and New Zealand)
SM Solder Mask (semiconductor process)
SM Spiderman
SM Spatial Multiplexing
SM Specification Manual
SM Staff Member
SM Stanley Morgan (brokerage firm)
SM Space Marine (Warhammer 40k)
SM Stick Man
SM Soil Moisture (agronomy)
SM Station Master
SM Square Meter
SM Streetlight Manifesto (band)
SM也可以是现在网络上流行的“傻帽”的拼写“Sha Mao”的缩写。
科学硕士（Master of Science）；
圣马力诺（San Marino）；
虐待狂与受虐狂（Sadism&Masochism）
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