A exclaimation, mostly used in written form. Used to convey a feeling of excitement, satisfaction or joy. Has been described as the new w00t, however is not as popular.
Derived from J. K. Rowling's fictional creature, the Fwooper, which sings an (at first) enjoyable song which eventually drives the listener insane.
Repetitive use of the word "Fwoop" has the potenial to do the same thing.
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.
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.
Girl: Did you see him last night? On a fwoomp scale of 1 to fwoomp, he's like a 9.
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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.
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.