Taco watcher

A female who has been selected to watch another female pee into a cup for a drug test

Mike: Sgt. Turbo, I need you to be a taco watcher this month since your name is not on the list.

greasy taco stamp

When a female places her wet vagina in someone's face leaving her lip prints.

Matt: Bro, what is on your face

Sammy: idk
Matt: looks like you got a greasy taco stamp from that girl.

Meat gazer

One who has been selected to watch other men pee into a cup for a drug test

Mike: Sgt. Turbo, I need you to be a meat gazer this month since your name is not on the list.