def 1: when you accidentally rizz up a gay person
def 2: a straight person who seems extremely gay
"Oh God dammit she was lesbian, I totally just gizzed."
"I know he has a girlfriend, but damn he looks like a gizz."
def 1: accidentally rizzing up a gay person when you thought they were straight
def 2: a straight person who looks/acts/seems extremely gay
"omg she was lesbian?! I totally just did the gizz"
I know he has a wife and two kids, but he gives me total gizz vibes