3sm

Is a slang for three some
John- wanna have a 3sm

Hailey- hell yeah

Ron- it's not gay if it's 3 way
by Fucboyinchic-fil-a January 03, 2017
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3SM

Third String Motherfucker. One who plays behind the first and second string players. Generally has significantly lower abilities and is only used when a team doesn't care if they win or lose.
Sports: Why are we losing so badly? Oh yeah we have all of our 3SMs in.

Business: That 3SM literally couldn't give away a free product.
by 9K111 June 16, 2022
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