gay man: "You dumbass the DOMA doesn't defend anybodies marriage it just says that if my husband and I ever leave Massachusetts other states don't have to recognize our marriage."
Person 2: "Yeah, but he was the one who signed it..."
Origin: Vietnamese - common usage amongst Caucasians noted in the Springvale area.
"Do ma fuck you!" - affectionate playful jibe
"Do ma mae" - this person seriously has nothing to say, and simply emitted this sequence of sounds out of habit.