Fwoomp 

Onomatopoeia for multiple sounds, such as:
A vacuum sucking up objects;
An object being hydraulically propelled through and exiting a tube;
An object rapidly expanding. You will most likely see this usage in inflation porn.

the vacuum went fwoomp!
the ball went fwoomp when it exited the tube!
the blimp went fwoomp!

Fwoomp by broken glass and crashing January 28, 2022

Fwoomp 

To put something belonging to another person down your pants and underwear and brush it against your private areas and buttocks and then hand it back to that person.

I fwoomped my buddy's cell phone and then handed it back to him.

Fwoomp by IcedEarthaholic January 22, 2013

Fwoomp 

The easily recognizable noise made by the noob tube (M203 rifle mounted grenade launcher) in COD 4. It can be replicated by sticking your thumb in a snug tube and removing it quickly.

SO I was upstairs about to snipe that guy behind the bus and then i just heard that fwoomp and I was down. fucking noobs cant even shoot a real gun.

Fwoomp by the slowest noob May 15, 2009

Fwoomp 

The sound made when something becomes stuck in something else.

A cat gets sucked into a vacuum hose which makes a loud fwoomp!

I punched him in the face and my hand got stuck in his mangled jaw, making a loud fwoomp!

Fwoomp by Scarfy 2.0 March 1, 2009

Fwoomp 

The sound made by a tuba player blowing medium short notes.

Staccato is "oomp"; accented or slightly longer quarter note, "fwoomp."

Fwoomp by 2manyhorns September 30, 2005

Fwoomp 

The sound effect made when a male penatrates a female. Commonly used by spectators of an erotic act displayed on film.

*porno music*
Rich C-mn: "Yeah baby, take it"
Crystal Chandelier: "Yeah yeah, give it to me!"
h4x0r: "Fwoomp!"

Fwoomp by ReZeroX November 13, 2003

fwoomp scale 

A scale of measurement where at least one of the reference points is "fwoomp"

Girl: Did you see him last night? On a fwoomp scale of 1 to fwoomp, he's like a 9.
----------------
Dude 1: Oh man, I fucked her raw, but it's okay because she was just on the rag.

Dude 2: You are so fucking stupid. On a scale of 1 to fwoomp, you score a fwoomp.

fwoomp scale by Ashen Empires June 12, 2007