1. Unprotected sex with another person
2. When someone does something sick or gross and you "match" the act with one equally as sick or gross
2. When someone does something sick or gross and you "match" the act with one equally as sick or gross
1.Dude, I took this girl home and we totally matched nasties
2.Hey, how about I fart. Then we all match nasties
2.Hey, how about I fart. Then we all match nasties
by 1bigfloppydong August 31, 2010
Get the match nastiesmug. by anonymous_tales February 12, 2017
Get the match my nastymug.