Participating in twat-like activities; having twat-like qualities.
"Dude...you must contain your twattery. Ditch the lame pink polo shirt and your popped collar."
by His Wittyness October 06, 2008
When somebody acts like a complete twat
Tom Is Just Full Of Twattery
by Oli C September 23, 2008
verb: The act of being a twat
I'll have no more of this twattery in my classroom
by Ellshizzle/Catty August 07, 2008