psyclone

noun: (Chicano-slang) Reference to an individual who is reckless and fearless, flys off the handle, possibly violent, psycho+cyclone, like a hurricane, crazy M.F., someone you don't want to mess with.

When I walk downtown LA at 2 AM, I take Paco with me because el es un psyclone.

by Laniidae August 04, 2007