flumpshuis 

Big butt or large amount of something

For example wow you have such flumpshuis butt

flumpshuis by The depressors March 24, 2021

Flumshush 

A well trained twisty mustache that's trained naturally with no additives and is thick and full.

Usually owned by a ginger, dirty blond, strawberry blond, or blond headed white boy. Usually adorable and soft.

Damn that Lil white boy got a phat Ole flumshush.

Flumshush by Bannanarama January 13, 2022