Amphetaminitis 

Anger and phychosis brought on by amphetamine use. Someone with amphetaminitis will normally demonstrate an aggressive attitude towards others or in mild cases just be snappy and difficult to deal with and generally a pain in the ass.

Bloody Gwens been bombing that shit again, if we cant find some weed quick shes gonna have a bad case of amphetaminitis

Amphetaminitis by Coinage October 26, 2006