Tuup

when you have a handful of hair towards the front of your huge forehead that wont lay down and continues to stick up
(not applicable for people with straight hair)

If you're not tuupin, then I don't know what you're doing.
That tuup brings out your forehead.

tuup

Dutch term for a very clumsy guy.

Also used to sarcastically greet someone:

"Hey tuup!"