cocksmith

one who is an expert at the handling of his cock and administering it's services to the female gender.

Gudani is a master cocksmith

gauge

Any type of shotgun.

shortened from 20Gauge, 12gauge, etc.

"Yo Clarence, you grab the gauge, I got my Zig on me, lets take those punkass motherfuckers!"

Hit up

Grafitti writing.

tagging.

Yo, we headin' out tonight to hit up the hood.