Definitions by snowfender
GSM
"Gay-Straight Man"
When "metro" just doesn't quite do it for you.
A man almost certainly gay, yet still likes to have sexual intercourses with many women.
When "metro" just doesn't quite do it for you.
A man almost certainly gay, yet still likes to have sexual intercourses with many women.
GSM by snowfender September 8, 2010