skum punk Share definition Flag crusty punk, that does not take shower, often lives under bridges, walks the streets while piercing various body parts because they "like the attention". My ex-boyfriend. "Why can't I get a job?!?!" Maybe it's because you smell like onions. skum punk by Tash October 28, 2004 0 0 Get merch Get the skum punk mug. Buy Now — $32.95 See more merch