a ruthless unsympathetic,self-centered person
Rodger is a monster the way he treats his girlfriend.
by Gerard Irick July 7, 2009
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When two or more women in a household are synchronized with their menstrual cycles.
I have to get out of the house this weekend. My wife and daughter are monsterating.
by jeff74008 March 1, 2012
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{adjective}: A term used to describe an act or an individual that is badass, hardcore, gnarly, ill, savage, or rad.
"That jump was so monster!"

"Keep it monster, man"
by noniG December 22, 2009
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What you become when you break up with a girl.
Man - "We need to talk."
Woman - "You're a monster."
by Dan May 12, 2004
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The best damn energy drink ever made! Comes in Regular, Lo-Carb, Assualt, and KHAOS
" Dude what you drinkin?"
"A Monster"
" They frickin rock lemme have some"
"get youre own fag"
by White guy with fro December 18, 2005
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A manga and anime written by Naoki Urasawa.

Its about the story of a young (later a bit old) doctor in his quest to find and kill the "monster" that he once saved whilst proving his innocence to the series of events that happened within the story. Ironically he is torn between the responsibility of fixing his mistake and as a doctor, saving precious lives.

The series is intricately plotted and weaved together to deliver a solid story and remarkable characters. And unlike normal anime that is set in a fictional world, Monster is set on real life places in the world and tackles several historical plots and events and incorporated it in the story.
" I've watched Monster and it feels like I'm watching a quality Hollywood movie!"
by BALDOaztig November 8, 2009
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Nuclear horse piss that is sold as a disgusting energy drink.

Describing anything that is large.

The creature that lives in your closet and under your bed.

A sadistic pedophile who molests and rapes children he abducts.
I tried a monster energy drink the other day, it was the grossest shit i have ever tasted. I poured the rest of it into my neighbor's dogs water dish, the dog caught fire.

Whoa, that fish is a monster.

"Mommy, I need you to look in my closet and check under my bed for monsters."
"For fuck sake Tommy, you're 35 years old. why do you still believe in monsters?"
"Remember when I was kidnapped and raped by that monster in his van. And I still didn't get any free candy."
by A WHITE GUY August 28, 2014
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