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A way of labeling the actions of someone who is trying to act cool but really looks like a tool/douche.
Friend one: Look at that guys v-neck and sunglasses.
Friend two: Yea he is totally suppin' it up.

Old Lady: That youngin is always blasting his music on my street.
Teenager: I know, he is suppin' it up.
by bonersprings913 June 10, 2010
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