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1.
A form of saying you have so much of something, you literally have to say "up the ass." When using "up the ass" pronounce "the" as "thee".
Jeff has baseball cards up the ass.
by Corzocl February 27, 2006
 
2.
a way of sayin butt sex
lsdf
by sdf June 01, 2003
 
3.
added to make it seem like one has alot of something.
She/He has movies up the ass
by Adrian February 20, 2006
 
4.
1. A phrase used when someone is bothered by a problem and are acting bitchy about it.

2. When one is offended by what another has said.
1) What's up your ass?
2) Damn she hella took it up the ass.
by OneOutOfMany July 19, 2004
 
5.
acting stupid, angry, or perhaps jealous
Christina Aguilara was acting all up the ass when Lady Gaga stole her audience.
by dayummsayumm March 12, 2009
 
6.
the best form of batty sex
serge was poundin on his boy friends ass
by jon July 21, 2003