an abbreviation for big name in gym. Originates from DW sports fitness Canterbury where the finest members were selected for a society known as the BNIGs, the group are believed to have strong ties with the cult following "chest mondays".
by HA-HA-HA February 16, 2012
Caroline, you dumb bnig! I told you not to leave your shoes there! Now sally will make you sing im a little tea cup!
by marielle caroline, caroline bryars, madison charleigh January 05, 2004
by ruben roberts June 15, 2007