What is Chasta?
1.
A twat. A retard that pisses you off by doing stupid shit. Somebody who has done something extremely 'tarded. You can also use it to make up words, ex: McChasta, timchasta (from south park's timmy), poonchasta...and so on.
Person A: Fuck, I didn't go to class today, and we had a test.
Person B: *laughs* chasta!
