Top Definition
gnack gnack : melon/skull/head/back of the neck/forhead/face.

-- but only called this when you pull a retarded maneuver to actually fall on your skull..
ie: when i dropped in from the top of the over vert cradle in scarnation skate park i fell straight to my gnack gnack..
by Oneshot Jonny March 25, 2004
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.