1 definition by Trashy675

A term to describe a person in a fun/silly way. Often seen as an immature way to 'name-call'.

Literal meaning: A person with a penis on their head.
Kelly: Oh Clare, you're such a willyhead.
Clare: Willyhead? Haha!
by Trashy675 June 12, 2012
Get the willyhead mug.