Definitions by Darren D the Hatter

Knifomaniac 

A person who is obsessed with knives. This usually comes with violent tendencies.

Dude 1: Hey, u know my friend with all those knives?

Dude 2: Do u mean the knifomaniac?

Dude 3: Yes, that guy.

Knifomaniac by Darren D the Hatter October 22, 2012