suppin' it up
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.
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.