oma 

Old Man Ass. An acronym.

We cruised around on the pontoon boat and then stopped by the naked ledge, but instead of hot chicks all we saw was OMA.

oma by Bourne July 20, 2005

Oma 

On my ass

Oma not true

Oma by Pookieword October 11, 2020

OMA 

OMA is an acronym meaning 'Oh my atheism' or 'Oh my agnosticism'. It was created by atheists for the intent of substituting 'OMG' or 'Oh my god'.

"OMA, did you watch that football game last night?!"

OMA by Vikki M. April 23, 2021

OMA 

On My Ass

Justin wouldnt stop talking about how i stepped on his shoe, cant believe hes still OMA about it.

OMA by yuhhbandzz May 15, 2021

OMA 

Oh my Aliens. Just like OMG, but for the atheists or persons who believe that we are the result of extraterrestrial experiments.

OMA, Becky. Look at her butt!!

OMA by MyPseudo August 14, 2012

oma 

iris's insane crazy grandma who chases people around with a stick

Iris: Give me guy advice!
Oma: NOOOOOOOO!!!!!!!! I will never give you guy advice!

oma by hehehehe March 26, 2004

Oma 

On my ass

Oma 😂😂😂

Oma by Gum ball machine August 28, 2020