Define Dumb Twat Meaning

Person 1: Oh, whos that new girl in class?
Person 2: You dont want to go near that with a 10 foor pole.
Person 1: Why not?
Person 2: Her names Katie, but she spells it like a dumb twat with two E's

Mike: I went on UrbanDictionary the other day.
Everyone Else: Wow what a dumb Twat

"Yo my girl just dumped me she's a stupid bitch hoe twat dumb wench fuckin toad , bro "