Saying hello and talking nicely to someone while crossing your jaw to the side bad mouthing them to the person next to you
Ricky baker: hey Simon how are you mate? Simon: yeah good mate .... Simon to Nic that cunts a fuck wit I hate that dog. Nic: mate you have crossjawed bipolar 😂
by Thesneakyscaffolder July 28, 2017
Get the Crossjawed bipolar mug.