GMA

When you cant take the shit anymore and proove your a Grown Ass Man (GAM).

"Aw Kevin you look so cute in your barney PJ's"

"BITCH STFU I AM A GMA"

Gmas

It is short lettering for "give me a sec"

"Hold on Gmas I'll be back"

GMA-quality

Subpar quality, low-quality, talentless.

"dude did you saw Mariah Carey's Christmas in Rockefeller performance? It's GMA-quality dude...