MOS

Actually the acronym M.O.S that stands for "Member of the Opposite Sex".

(You must have seen this word in some purity tests around the net)

Have you performed a strip tease for an MOS?

by Giorgio Orizio July 14, 2004

MOing

Emily: OMG, did you MO with that salsa dancer last night?

Jill: Yeah, we were MOing all night long.

by Jeff Crocenzi December 18, 2007

Guy1: You wanna go to S.F. ?
Guy2: Nah too many 'mos

by Mistahtom January 7, 2006

Method of Operation (the way you do the things).

by Fangsta March 18, 2003

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.

Andrew wanted to mos it tonight, but once again was turned down.

by Dmac79 May 17, 2006

"MOS for all these bae's."
"Can you believe my dog ate a squirrel? MOS for the loss."

That is gay or homo.

Tyrell: I would lick his lips just to taste her pussy.
Ricky: nah bro that's mo

by Jaylovelee July 23, 2016