look up any word, like dirty sanchez:
 
2.
Mwag = Mwah + Swag

a kiss with swag
Rami: Girl, you're so fine, i'll catch you later, dress to impress

Roanne: Boy, i always impress, Mwag
by Roanne Banane April 02, 2013
 
1.
Abbr. for Man With A Gun
'Duck! That MWAG is a total idiot!'
by nancyxgirl January 06, 2009
 
3.
another word for fuck, easily said around peers or your better half. stated the same way you would use fuck in a sentence.
Sitting in a nice restaurant

Frank: you look very pretty tonight
Lauren:yea whatever
Frank: dont whatever me
Lauren:Mwag you
Frank: Go MWAG YOURSELF!
Lauren: "developes tears"
by Big juicy Franks October 29, 2008