To display an attitude that transcends bitchiness but falls short of C word like behavior. Twattitude is commonly displayed by women (and effeminate men) in office environments. Symptoms include: unnessecary sarcasm, deliberate ineptitude, and douche bag like facial expressions.

An attitude belonging to a twat.

the attitude of a complete twat, the kind of prick you end up fighting with in a night club.

when someones outlook crosses the line from simply 'bad', to 'upsetting' to 'upsettingly bad'. Thus there is only one explaination; BAD TWATTITUDE. (Bad attitude+general twattery)

a word used to describe someone with an attitude and look/sound like a twat while they have it.