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.
by Myka M. November 26, 2018

by awyr April 3, 2020

“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 6, 2021

by Mick rib April 22, 2018

"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
