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1.
to be modified in any fashion, usually used when referring to cars.
word, that thing is suped up
by YouDugg August 19, 2010
 
2.
something or someone extremely ugly
yo grandmas cadillac is suped up bruh
by willatmiami January 07, 2010
 
3.
to you extremely drunk get.
dem bitches was suped up!
by peterbrendanaaronevan May 05, 2007