Somebody under the impression of stupidity yet whom well... is stupid or doesn't know what they are doing.
May refer to Redheads, Blondes, High School girls, Sports people, and that annoying person that you just hate because they seem like you never listen so they get into your face about it yet they are even worse than you.
Girl: Catch the ball "idiot!" (Emphasis on the word)
Why can't you catch the freaking ball!?
Dude 1: She's being a plastic bitch today.
You: Yeh, she's being a Figluster atm...
Dude 1: Look, she just missed the ball and she thinks she's all good.
You: That's a Figluster, flawlessly perfect form.
Dude 2: Dude, is she smoking a blunt.
You: yeh, she thinks she's rich all of the sudden for some reason.
Dude 1: Where she at now
You: In the Porta-Potty of the U.S.
Dude 2: And that is?
You: A Trailer park in the state of Delaware.
Dude 2: What a fucking Figluster!
You: You called it dude...