One who has sex with someone else to better their situation.
Dude, did you hear about all the money she has coming her way? The only possible explanation is that she's an upfucker.
by One dude. May 21, 2009
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Someone who is fucking anally while the one being fucked is standing.
"You wanna upfuck tonight?"
"Yeah, sure"

"You are such an upfucker!"
"I don't do it like that."
by fuckkk October 21, 2013
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To fuck something up so much that The very thought of looking at it turns you dyslexic.
Hey, lets go upfuck Tony's brand new bike with these wrenches and crowbars.
by chillin2long June 04, 2003
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1)(adjective) To show coolness of something.
2)(noun)An idiot.
3)(adjective) To mess things up real bad or to "fuck up."
1) Those new shoes are upfuck.
2) Dude your such an upfuck
3) I upfucked that test so bad.
by JCrac December 07, 2006
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when you are caused to throw up sperm.
i shoved my dick so far down her throat that she upfucked all over me.
by fleneneh September 07, 2010
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To get involved with someone more famous than you, in order to further your own career. Mostly used to describe celebrities in Hollywood.
Kevin Federline did some serious upfucking to get to the level of fame he has today.
by Braxton Charles November 08, 2007
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Verb: To vomit during the act of intercourse, typically due to intoxication.
"I brought her upstairs at the party but halfway through she upfucked all over my new bedspread."
by Tard Ferguson July 13, 2018
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