Flump

To fall without grace into a seated or laying position.

Don't flump down on the bed!
Or

That kid just flumped down on the couch and almost broke it.

by Kcraig115 December 18, 2016

Flump

The act of collapsing onto something or someone like a sad, jiggly, shoved over serving of jello.

Person #1: I'm gonna flump on you now.
Person #2: Oh god no...
Person #1: *getting closer* I'm gonna do it
Person #2 doN'T YOU FUCKING DA-
Person #1: *flumps onto person #2) I did it.
Person #2 *flailing like an aggressive kitten* GOD FUCKING DAMNIT!!

by Zodozer October 22, 2015

Flump

Totally screwed up;not right. Not following justice. Said by Michael on Zoey 101.

Every woman ever: Im going to treat girls better than you.
Men: That's totally flump!

by Butt-Face Magee August 22, 2018

Flump

When you're not exactly Fat, and you're not exactly Plump, you're Flump!

I need to lose some flump at the Gym.

by Cyclops Man June 3, 2018

Flump

The act of

Fucking
Licking
Umbilicus
Masturbation
Pelting

Dude last night I gave my GF some Flump.

by Rick Suncurve June 6, 2018

Flump

In Rainbow Six Seige when everyone on your team uses their ability all at once.

Boys I’m pushing Operation Flump is a go!

by FlintySpark026 June 6, 2018

Flump

A fat lazy lump of fur. Typically a larger fat long hair cat.

The flump slept peacefully on the warm sunlit pillow.

by Flumpadumpadoor May 22, 2018