unleashed the beast 

To go all out when hitting someone; using all the force you can muster in one swing or several

Chris:Tony called Reese fat last night
Jake: Oh, dude what happened?
Chris: She unleashed the beast on his face!

unleashed the beast by Case3 June 21, 2008

UNLEASH THE BEAST

a person(s) to take full on physical action on someone, whether is be someones body or face while he/she is completely belligerent.

I told Romeo to unleash the beast on some stuck up prick and he definitely rocked his world his fist!

UNLEASH THE BEAST by Lana D. Rey August 22, 2012

UNLEASH THE BEAST

When you fart under your sheets then release the stench into the air whenever you take them off

You better stop farting under those sheets, you'll unleash the beast after

UNLEASH THE BEAST by Zeus153 October 16, 2016

Unleash the Beast

What happens to you when you drink too much Monster energy drink.

Hey Kory stop drinking so much monster, you might Unleash the Beast.

Unleash the Beast by Brainslug December 18, 2011