ompin' 

A different expression meaning cool and rockin'.

Instead of saying "That's cool!" you'd say "That's ompin'!!"

ompin' by Kattie-wa May 1, 2008

Ozpin 

An incredibly attractive and mysterious man who has white hair and can pull off the color green too well to be human ( i fukin know it, lads).

'Whoa, that guy is a total Ozpin!'
'Stop using Ozpin as a fuckin' descriptive word, you twat. He's from RWBY.'

Ozpin by RoysMustang August 9, 2015

oppin 

One of the many great acts of "Snitching"

That math teacher is always oppin on somebody

oppin by Not Important August 14, 2016

Ompen 

Said by many, my guess is they cant pronounce the word open correctly it. People who say ompen also say things like Ompinion,Omprah,Ompium,Hompefully and they might say the wird company funny too.

Robert Plant Singer of Led Zepplin says ompen in Kashmir and Over the Hills.
R. Kelly says ompen in I belive i can fly.

Ompen by Justin Birch May 6, 2004

oomp oompin on a wang wang 

a general name for a sexual act performed by a female on a males penis

person 1:"the other night lindsey was oomp oompin on a wang wang"
person2:"yeah i heard it was kyles"

oomp oompin on a wang wang by bob forapples September 19, 2005

OPIN 

Only person I need

You will always be my OPIN, even when we can no longer be together.

OPIN by whatsexlife May 27, 2018

olpin 

–verb

To get ones kicks by belittling others.

Usually used by nancy boys.

Jon spent all night trying to put me down, however he only managed to do an olpin and highlight his own insecurities.

olpin by JamieO April 15, 2007