by Academic Type January 24, 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 06, 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