when a girl always delivers herself to your house for sex and you dont even have to leave the house.
fred: joanne's comin over in a little while.

sid: uhh...ohh...in-house monster!
by viciousk December 10, 2009
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a seemingly attractive man/woman who you meet in a club or darkened social event and then meet in an after hours meeting/food location in bright lights and is in actuality very unattractive.
Girl, I'm glad I passed on dancing with him in the club. I missed those three missing teeth on the side while we were on the dance floor. He sure is a waffle house monster.
by MsFunnyLady March 4, 2010
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Verb

To punch/kick/thump/etc. someone so hard that it breaks a giant hole in them, then fill it with concrete to make sure said part is haunted for eternity
"Jim stole your Girlfriend"

"i'm going to monster house his bumole!!!"
by THATKIDCHALKIE April 8, 2014
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A massive beast! Just like in the movie, swallowing men whole out of anger and pure fat rage! You can also scream for this form of fat person; " The white whale has surfaced!"
Watch out for Monster House! She'll gobble you up!
by Cosmo_K February 4, 2010
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