Flabbergander 

When you friend is annoying you, to stop them you can loudly yell flabbergander!

“Flabbergander” she yelled after her friend annoyed her

Flabbergander by K Marie B December 14, 2020

Flabbergabberhooberstabber 

A fat dude that goes around killing people because he doesn't get the type of food he wants. He will come and kill you if you get too close to him. Stay out of reach. He runs very very slow.

Damn, is that the Flabbergabberhooberstabber? Lol he is so fat can't even move shit.

Flabbergabberhooberstabber by spoiledgamer128 September 24, 2020

Flabbergasteration 

To express a person feeling flabbergasted

The boy is in a state of flabbergasteration

Flabbergasteration by Rnigger March 2, 2023

Flabbergasger 

A word for mouth 👄

You eat with your flabbergasger

Flabbergasger by Snz June 13, 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