Braindead

To have no working brain

He was so braindead he couldn’t speak

Gobblebox

A person (male or female) who constantly endeavours to lick chow finger etc on in and around a female vagina
Commonly know as a box

Tim is such a Gobblebox, he chases all the girls at the club

Drugbag

A person who does a lot of drugs on a very regular basis.

Tim takes and smokes drugs every day he has turned into such a drugbag.