by Academic Type January 23, 2005

acronym for shaking my boobs. often used instead of the norm smh for shaking my head while textin/IM'n
by GoBooonyYeaDatsMyBoony September 29, 2009

by badbitchhhhhhhhhhhh December 22, 2010

This is the abbriviation for "Saggy Man Boobs"
You know when guys have too much boob, and they sag? Well then your guy has SMB's.
You know when guys have too much boob, and they sag? Well then your guy has SMB's.
by Bobsquad August 31, 2005

Sporatic Masturbation Bout - When you just can't stand it anymore. It doesn't matter; back of the classroom, bathroom, under the dining room table, shower, garden, playground, driving.
by TheRealPecker April 13, 2005

by BWAH January 13, 2005
