rfm

An acronym for "real fucking mature". Usually used in a sarcastic setting.

person 1: so how many licks DOES it take to get to the center of a tootsie pop?

person 2: your mom knows how many licks it takes to get to the center of MY tootsie pop ;P

person 1: wow, rfm dude -.-

by RFMkoala March 30, 2011