Twaty means: Female equivalent of being cocky. (in Community Dictionary, added by Patricia Mcgrath)
What else does Twaty mean?
- It is the art of being extremely twat-like. This role is usually filled by someone unaware of the clingy and invasive nature of their personality and obnoxious attitude. These girls often run late for work, browse forever 21 in the dead of winter and dance on tables to Lady Gaga. (in Community Dictionary, added by Flummoxed)