short for make out session. Used in context with mos it to describe incognito when you are going to make out without having to say it.
by Dmac79 May 23, 2006
Get the Mosmug. 
It is like dimsim but only a thousand times tastier it is dipped in delicious sauce and eaten. Main momo's are chicken and buff.
by nepalyz_urbdictinary June 19, 2006
Get the Mo mo’smug. by Adam Cecchini January 03, 2006
Get the Mo Momug. 
