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2 definitions by Mektah

G.A.M stands for Grown Ass Man.
Who the f*$#% are you?

-A G.A.M.

A what?

-A Grown ass man, now shut the f#$%# up.
by Mektah June 24, 2010
a person, usually of african american decent, who is unexpectedly intelligent. Exceeds in a wide variety of skills which is reflected in the multiple variations of the name.
Girl 1: i met this guy in the bar the other night and omg, he was a player but still...
Girl 2: Oh, sounds like you met a Shontonio.
by Mektah March 11, 2010