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2.
what you wear when you swim

usually referred to as bathing suit, swimsuit or for guys, swim trunks
my moms making me get new swimwear.
by mhmyeahthatsrite July 21, 2008
 
1.
Derived from the quote "In there like swimwear", this word refers to having sex, coitus, or intercourse with a woman. Women cannot say this unless referring to a guy having sex with a girl. "In there like swimwear" usually refers to when someone scores in some sports game. This is quite similar, but you score with girls.
George: Howd your date go last night?
Hayden: Swimwear
George: Damn, you swam that wear dude?
Hayden: Hell Yeah! This is what I fucking live for!!!!!!!!!!
by Shaomaster October 30, 2011
 
3.
successfully sink a shot in any sort of beer drinking game
In there like swimwear! (teamates would high five if it is a team game)
by Eric Dolton September 23, 2003