A one-pieced garment that is also known as a bodysuit or leotard; A term usually used for referring to an infant's bodysuit or leotard.
The baby wearing the grey armless legless onesie was crawling around in his playpen.
by Myka M. November 26, 2018
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I can let you drown but, I can't bring this ship into Tortuga all by me onesy savvy?
by awyr April 3, 2020
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A cover for a orgy. Teens use this often as a cover to trick there parents
Hey we're having a party
What kind
A onesie party
by Mick rib December 27, 2017
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to be, by law, cooler than anyone who doesn’t have a onesie
“bro did you see Hans solo with that onesie on??? i thought he was so cool!!! but Luke Skywalker didn’t have one so we determined his lameness. “
by ghostedgraveslol July 7, 2021
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Coloquial term for solo sex or masturbation
"I went to a club, met two guys and had a threesome last Saturday - how about you?" "I stayed at home, watched TV and then had a onesie..."
by alscnawieuoawieuaceirtoq November 11, 2020
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