Definitions by carlo vincenzo jesus b. flor iii

Chainzaw 

1. a borderline crazy or insane individual who participates in adrenaline-inducing activities.

2. a headstrong stubborn individual who rarely backs down from any sort of confrontation depending on moods and situations

There's no use arguing with him, he's a chainzaw.

Chainzaw by carlo vincenzo jesus b. flor iii February 21, 2008