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Someone who is Extremely arrogant, and has a big ego.
"Wow John You are a big SACK ASS" said Jake

"You are such a SACK ASS John" said Ian
by MISFITxPLAGUEx August 18, 2009
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adj. a derogatory reference to an object stated by someone that is so angry that his/her words run together forming an amalgamation of incoherent pscyhobabble which ultimately results in him/her being laughed at by his/her friends only making their anger more palpible.
"J what the hell is wrong with you you stupid...dingleberry..sackassed son of a bitch!"
by billy March 01, 2005
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