OOmpah 

OOmpah is the group of people who run #warez on FDFnet and provide a
sitelist of warez/mp3 sites. OOmpah stands for absolutely nothing, so
don't ask.

OOmpah by Dude April 9, 2003

Oompah Doompah 

Code Word for Weed

Zee: You Got any Oompah Doompah ?
Rakka: Nah Fam
Abbasa: He Lying

Oompah Doompah by Pizza.Zee March 21, 2019

Oompah Charlie 

When someone does something so vile, that there is no way to describe it. Often similar to an assplosion.

"Dude...Paul oompah charlied..."
"We're all gonna die..."

Oompah Charlie by Saladd January 21, 2008

OOmpah loompah 

those creepy lil orange guys from willy wonka and the chocolate factory

OOmpah loompah by Trong April 9, 2003

Oompah Loompah 

A way of making fun of a short dude you have serious problems with

Dude 1: you look like a friit snack my mom sat on
Dude 2: SHUT UP YOU OOMPAH LOOMPAH FUCK
Dude 3: scooby doo fruit snacks are pretty good

Oompah Loompah by X20 Zink March 22, 2019

oompaville 

A particularly strange but funny YouTuber who makes funny edits and might be a furry

Have you seen oompaville’s new episode of episode where he leans in for a sniff and joins them?

oompaville by Oofta April 29, 2019

oomaharumooma 

An exclamation of extreme emotion or a spiritual aid. Used in Henry Miller's Tropic of Cancer.

oomaharumooma! oomaharumooma! oomaharumooma!

oomaharumooma by Lizzie Simon June 11, 2006