Blabbergaster 

Another word for a dumbass, or a dufus, or a shithead. Generally used as a negative term, towards someone whom someone doesn't like.

That guy Nick? Oh yeah he's such a blabbergaster.

Shit! I hate that Blabbergaster!

derp dufus

Blabbergaster by Michael Richtor October 10, 2011

Blabbergaster 

Someone who speaks complete nonsense , usually Loudly or Dramatically

Bro turned into a Blabbergaster halfway through the conversation about aliens

Blabbergaster by Nobody knows ... nobody knows July 25, 2025

Flabbergasteration 

To express a person feeling flabbergasted

The boy is in a state of flabbergasteration

Flabbergasteration by Rnigger March 2, 2023

flabbergaster 

This is when you're in the 69 and rip a monstrous fart directly up the nasal passages of your partner.

She nearly choked when he delivered a flabbergaster during their first 69.

flabbergaster by Disco Misfit October 4, 2006

flabbergastered 

Under the influence of alcohol/drugs.

"You're flabbergastered"

flabbergastered by Lexa June 26, 2004

Flabbergasterist

Flabbergasterist is someone that gets surprised and speechless at an extreme point for almost everything. (I AM SO BORED RN.)

He's such an flabbergasterist.

Flabbergasterist by dodgekid September 27, 2023

Flabbergastered 

When you are finished having oral sex with a girl and you shake her cheeks until she salivates. Can also be done with the asscheeks until sweat comes out.

Example 1. Boy 1: Last night was so Great.

Boy 2: Why?

Boy 1: I Flabbergastered your Mom last night, She loved it!

Flabbergastered by Alessandro06121999 June 16, 2011