What a girl's hair looks like after she's recently been humped (had sex). Similar to hat head, except it's flat in the back and bushy on the sides and top.
Can also be used to describe a bad female hair style, or one that should only look that bad if she's recently had sex.
Someone should tell that girl to go fix her hump head.
A person who acts like a right dafty.
Originally used to describe someone with abnormally large teeth which are too large to be covered by their lips. I.e someone that looks like the humped headed parrot fish.
You are such a hump head.