Teis i a commonly known name for guys with huge cocks.
"holy shit your cock is huge"
"Yeah, i'm a Teis"
A sexual activity involving sucking on a penis
Guy 1: "How did it go last night man?"
Guy 2: "Not good man, she wouldn't suckadacock"
Guy 1: "Well that sucks"
Guy 2: "No she didn't"