Flabberblasting 

When someone surprises someone else (usually a stranger) by fingering them. Usually

Yo, I was just Flabberblasting Monika in the hallway, she never saw it coming!

Flabberblasting by NastySquirrel87 November 20, 2018

Flabberblasting 

When two obese people blow eachother at the same time

Omg i saw two guys flabberblasting at the obesity clinic.

Flabberblasting by anonymous July 23, 2021

flabbergasting 

the flapping together of the buttocks cheeks when gas is being passed

When Sam went flabbergasting, he accidently stretched out the pair of pants his friend let him borrow.

flabbergasting by sam loves men July 21, 2005

flabbergastinglysuperextremely 

the ultimate adjective used to describe something that is flabbergasting super and extremely awsome.

Dick:Dude yesterday i found a transformer t-shirt. its pink!

Bob:Maaaan thats flabbergastinglysuperextremely awsome! i hope you get me one too!

Kim: Look at those shoes they're flabbergastinglysuperextremely beautiful!

Tammy:But look at that price! its flabbergastinglysuperextremely expensive/

flabbergastinglysuperextremely by 293753028710389 November 15, 2009

Flabbergasting hmong 

Out of breath non air breathing non-Andrew Tate looking Asian with a HUGE personality

Dylan Keng only likes flabbergasting hmong women

Flabbergasting hmong by JI DION October 24, 2022

flabbergasting 

butt cheeks flapping when gas is passed

joan flabbergasted so much that the people at the party could see her cheeks clapping together through her spandex

flabbergasting by unknown July 26, 2004

Flabber Blasting 

Verb - A sexual act wherein a man has lude conduct with the folds of a women who is of a extraordinary girth.

Mike is flabber blasting that girl right now.

Flabber Blasting by The Master of all things December 30, 2014