Italian Swimsuit 

The term used to describe what people in the mafia would make their victims "wear" before swimming with the fishes. Usually consisting of weights/bricks/other heavy objects being attached to someone before being thrown into a large, deep body of water.

Mafia guy: Hey, this guy won't pay up.

Other guy: Well, let's give him an Italian Swimsuit because he's gonna be swimming with the fishes pretty soon.

Mafia guy: I'll go grab some bricks.

Italian Swimsuit by Jukedalon May 2, 2010

Slippery swimsuit 

When your mate cums in your underwear and then you chuck them on leaving the reminents of his seamen all over your crotch

Mate- *cums in underwear and puts them back in your drawer*
You- *go to drawer and put said underwear on* "oh mate left me a nice slippery swimsuit did ya!"

Slippery swimsuit by Oldmate21 October 20, 2015

old mans swimsuit

a condom or johnny...your old man penis and his rubber swimsuit is the condom

"oooh better get my old mans swimsuit on"

"oh no i havent got a swimsuit for my old man"

old mans swimsuit by Mattyismint June 10, 2005

goth swimsuit 

A skintight, usually black, spandex catsuit or leotard. worn by hydrophile goths at the pool. Usually bought at goodwill or value village.

Yes, I have a goth swimsuit. Yes, some goths like swimming.

goth swimsuit by RoseThourne January 10, 2007

naked swimsuit

they are a naked swimsuit and the naked trolls under ur bed wear them

i like naked swimsuits to eat pickles with.

naked swimsuit by DINO REEEEEEEEEEEEEE July 24, 2022

One-Piece Swimsuit 

a bathing cloth that holds poop and other body waste, even pee

"hnnnnnnnnnnnnnngh" *plop*, oh, a poop came out to my one-piece swimsuit

One-Piece Swimsuit by Pottbellyocassional July 26, 2025

swimstitute 

Someone who has sex and is willing to have sex with all members of the swim team

yo so I heard you fucked the swimstitute.

swimstitute by kingdoof September 20, 2011