Literally stands for Bare Back Twink. Used as a neutral adjective toward a homosexual who does not wear a condom during sex.
by Nothing/Interscope January 03, 2010
by not me not you April 06, 2009
by MEATYMIKE June 13, 2012
by mddddw April 29, 2009
by mjjj897 March 27, 2011