A scary caffeinated drink that Mormon children are told to check their closets for before they go to bed.
Jimmy, if you're hiding Monster in there, you won't be allowed to participate in family game night for a week!
by myster twister November 29, 2009
Get the Monster mug.
\'män-stər\ n 1 : an abnormally developed plant or animal. 2 : an animal of strange or terrifying shape; also : one unusually large of its kind. 3 : an extremely ugly, wicked, or cruel person.
To usually mean make-believe and often magical creatures of unknown or known origin, like Slenderman or Bigfoot. When used to describe a person, however, it's much more demeaning. You're basically denying that person of having any resemblance of a human being - morals, emotions etc. It's not a nice thing. Some people are cold, but not all to their very core like some seem.

My own grandmother called me a monster. She was probably right, but it still hurt...
by Magic kitty April 10, 2022
Get the Monster mug.
A person who demonstrates skills beyond normal mastery, particularly in the field of music.
"Did you hear that guitar solo? That guy's a monster!"
by Didjerridon't February 3, 2013
Get the monster mug.
a ruthless unsympathetic,self-centered person
Rodger is a monster the way he treats his girlfriend.
by Gerard Irick July 7, 2009
Get the monster mug.
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
Get the monsterating mug.
{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
Get the monster mug.