Flump

The action of screwing up a line of speech or forgetting what one was going to say

P1: erm dude? I forgot my lines again.

P2: don't worry bro, you just flumped.

by OldManInAShower321 June 5, 2022

Flump

To Flump is hrumph and to gumph

Man, that guy be Flumpin

by Local Web Surfer June 15, 2023

Flump

That one friend that always bails out on your crew

Yo man, justin is such a flump ! Never comes through for the homies. I invited him to the cabin months ago and he bailed last minute to play golf. We should nickname him flumpy gump.

by Dudewearsmycar July 12, 2024

flump

The act of dragging your penis across someone's face.

"I'm going to flump you"

"Billy was flumping Jerry last night"

by anonymous December 9, 2024

flump

someone who is really fucking lazy

maisey is a flump

by max4689 July 15, 2025

Flump

Flat lump. A lump but inverted

Hey Brendan, you have a flump a little above the middle point of your eyes

by OKURNESSEABJ July 25, 2025

Flump Drumming

Using your flaccid penis to drum on any area of a partners face.
Eg. Cheek, nose, forehead

“Fancy some flump drumming”

by Jiffster June 20, 2019