When someone who doesn't appear to know anything about sex surprises you by rocking your sexual world and giving you an amazing orgasm.
"I kind of hooked up with Lenny this weekend." "You mean the band geek? Really?" "Yeah, but he knew how to do some things that i never would have guessed. He gave me a flabbergasm."
by DJ D-rake the leaves December 12, 2010
Get the flabbergasmmug. overwhelmingly tingly sensation experienced by a fat person jiggling their bellyfat at a resonant frequency.
The coroner's report said the 400 pound man died of a cardiac arrhythmia while giving himself a flabbergasm in front of his computer's webcam.
by overdogg March 18, 2015
Get the flabbergasmmug. by Sam Ashby January 5, 2009
Get the Flabbergasmmug. Pedro's reaction to winning the lottery was flabbergasmic
by drellaluna565 December 14, 2008
Get the flabbergasmicmug. by Howudern January 25, 2011
Get the Flabbergasmmug. When you are so bored that you think you could die, and suddenly you get a huge adrenaline rush, usually when you get an idea of something you could do instead of being bored, but it goes away almost instantly.
He was was sitting on the couch when out of nowhere he had the most amazing flabbergasm. But it didn't last...
by Eqo May 7, 2009
Get the Flabbergasmmug. The expression that is achieved when a man lies to a female about his penis size being small but in fact it is not, flabbergasm happens at the beginning of sex when the man inserts without showing his actual size achieving a flabbergasted expression on the females face.
My tinder date thought I was 3 inches little did she know I was 8 inches. You shouldve seen her face when I first put it in, she had a flabbergasm.
by DoomAnus June 5, 2025
Get the Flabbergasmmug.