2)NOUN : the twat hat does not exsist as a physical object, but as a figment of the insultor or insultees imagionation.
lads who think there hard wear them! but there not there knobheads!
Bad boy 1: look at that lad in the lowey smashing up the bus stop
Bad boy 2: thats not a lowey its a twat hat!
It is also known for staff at the company to begin chanting "Hat! Hat! Hat!" when someone's been particularly twattish.