Flabbergusted 

- Going on about a specific topic a person is well versed in

Usually someone who is Flabbergusting is knowledgeable about the topic they are a repeatedly talking about.

Different words for Flabbergusted: Flabbergusting, Flabberguster

Pickle you just Flabbergusted him, maybe that's too much info.

She is just Flabbergusting that poor soul with all her knowledge.

Wow, he is such a Flabberguster, you can't stop him from talking.

Flabbergusted by Sonic and Mario Adventure Crew December 10, 2020

Flabbergasted 

FLABBERGASTED is defined as when your heart jumps with surprise at an amazingly unique difference in your life; often a change or surprise!

I was FLABBERGASTED when I got a letter from Harvard University saying that I'm in!

Flabbergasted by Queen/Cupcakes/Sister February 21, 2017

Flabbergasted 

To be greatly confused, surprised, or astonished. Or even a mix of all.

When I told Andy The Nerd that I got a higher test grade than him, he was FLABBERGASTED!

Flabbergasted by pull up in a ford focus April 5, 2022

Flabbergasted 

To be in a state of confusion or surpise

I was "flabbergasted" after the bus ran over vicky.

Flabbergasted by Cameron Springer November 17, 2005

flubbergasted

shocked to the point of bouncing off of walls; a portmanteau of 'flubber' and 'flabbergasted'.

Dan was flubbergasted when his girlfriend agreed to marry him, but he was consequently arrested for disturbing the peace.

flubbergasted by ruwisc October 15, 2009

flabbergasted 

surprised and flumoxxed

flabbergasted by mikelucky October 28, 2003

Flabbergasted 

A wierd word for surprised

I am flabbergasted she did that

Flabbergasted by Ccdivill252 December 2, 2017