by Nsalsog November 03, 2010
by Academic Type January 24, 2005
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