by Cosmello January 11, 2015

ninette: yo bry, r u going to the pajama party ?
bry: yea im wearing my onesies
ninnete: sexayyy ! ;)
bry: yea im wearing my onesies
ninnete: sexayyy ! ;)
by cytb April 12, 2011

by phreek123 December 9, 2008

A one piece snow suit. Worn back in the day when skiing was young. Now commonly worn by thy Gaper. Comes in Solid or Multiple bright colors. Do NOT wear in Colorado or you shall get mugged.
by A Local Coloradian May 2, 2009

by 1234blahblahblah1234 February 20, 2011

by Scrubby May 6, 2008

a single cigarette sold over the counter by a retail establishment, instead of a pack of 20. useful in New York if you don't have the $8 for a pack. also useful for the quitting smoker who just needs one nicotine hit to take the edge off. onesie's are illegal in some states - eg Illinois 2009
"he sold me a onesie with a cup of coffee"
by mak108 August 22, 2009
