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
Any behaviour which causes inconvenience to others.
Passengers arrived at the airport late and missed their flights due to train twattery.
by Stonecutters March 05, 2016