Scummon

This is directed to a naive person who keeps avoiding social interactions. He's a scum and always prefers to be a common introvert which don't disrespect in any such form.

Squad: Hola! Lets party em chicks, yeah?
Arrick: I'm unable to attend as I've got online lectures. *Nervous utter*
Squad: This isn't the first or the 100th time you've been a scum and come on, if not we're over, you "Scummon"!