Definitions by Jimmywhack

Gravy bum

After doing a shit and not wiping properly, when your butt gets sweaty it produces a gravy like residue, Leaving marks on your underwear.

Check out the skids on peters boxers, pure gravy bum.

When taking ecstasy and ones jaw becomes jutted making their face distorted and the jaw look huge.

Check out the junkie jaw on wee robbie, hes pure mad wi they eckys!