Wallup: i'm afraid you may know something you were not supposed to.
Friend: wut?
Wallup: just know you will always be my bestie because you know too much. Otherwise, I'm afraid I have to kill you.
by friendsForever June 20, 2013
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the vagina
"You all have an interesting wallup!"

"Goddamn that wallup's wide!"
by Mark October 20, 2003
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v:

"Wall up" is the term used when engaging in lingo de graffiti. when used it is referring to creating new graffiti or tagging up a wall. Starting or beginning a new piece of street art.
Wall up:

Hey friends, i seen a neat wall with a lot of empty space; Wallup!
by Graffiti 2LOb February 15, 2013
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When you do push ups against the wall in the shower.
"I never have time to exercise anymore!" "I know, that's why I always do wallups in the morning in the shower...."
by tadpole0763 April 17, 2010
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when a woman has a serious migraine that will not go away, a man, preferably from Australila, will jizz on her forehead to alleviate the pain.
My migraine was out of control this weekend. That is, until the guy who plays Wolverine gave me a Kuala Wallup.
by JL1982 March 23, 2011
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Like the 'Dick Whip'...the smacking, or slapping of an erect or semi-erect cock on someone (usually a female), in a 'take that' kind of way. The most common place is the face and/or mouth, but a cock wallup can be given on any part of the body.
Oh yeah Beeeeoootch...now ya get a Cock Wallup!
by scorpi September 20, 2008
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Ahhh, revenge for the ladies. This is the smacking, or slapping of a dildo or strap-on cock, usually in a 'take that' kind of way...but distributed by a female to a male. The face, again, is a great spot for a Rubber Cock Wallup, but any spot on the body is acceptable.
Ha ha...I was right, you were wrong...now ya get a Rubber Cock Wallup.
by scorpi September 20, 2008
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