any individual who enjoys shoving random or non-random objects up the arsses of living things.
Tony got assjacked with a midget gimp in a Taco Bell Drive-Thru! The midget is currently in the Assjacker Hall of Fame.
by redisgood September 14, 2003
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ass jack; Texan
small booster seat used for securing the optimal angle of entry for back-seat-of-the-car sex

"Loren, will you bring that ass jack just a scootch closer so's I can really feel it"
by Fred Civian September 4, 2003
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When your wallet or phone is so big when you sit down it pick's up one side of your ass or your whole ass a bit higher and make you lean left or right.
My wallet has so much money when I sit down my assjack makes my right ass cheek higher then the other!
by skywalkerOG March 15, 2015
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To be beaten so badly in a game that the loser has to check to see if he still has an ass.
Man, the Raiders assjacked the Cowboys 45-3 yesterday!
by MackDaddyT April 18, 2006
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Jack-ass done better. Basically, someone who gets on your nerves so much, it's like a car jack being used on your anus.
"You're such a freakin' assjack." Obviously.
by Robert Akins July 25, 2004
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a person that so offends every bodily sense, this person often acts like a buffoon and cannot commit to the social norm. this person is therefore sensually offense, dim witted, physically unfit and is desired by only the most munterish of woman and must have a form of disability that inhibits their motor skills by making their hands constantly click and this kind of person usually has a fat waste of oxygen family.
me: hey assjack

assjack: derpa herpa clickity click

friend: u dumb

assjack: that dont say dumb thats dum B

friend: *punch in face*
by DrToeFingers November 22, 2011
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The backwards form of the favorite word jackass, originating from the show Everybody Loves Raymond.
That dude is such an assjack!
by MSN March 29, 2006
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