Cos Omac

An offensive word in the Arab world, which simplifies to "your mother's vagina". It also has different variations such as "Cos Omac Medaldel" which means "Your mother's Vagina dangles like the sleeve of a wizard". And it can be spelled in different ways such as "kos omak/cos omak/kos omac"
Cos - Vagina
Omac - Your mother

Dave I can't believe you ate my sandwitch, cos omac!

Michael cos omac I am trying to sleep.

Cos omac bro, your fart smells like shit.

by thewizewizard February 1, 2014

OMAC

Acronym for the phrase "Oh my aching Christ!"

When Sarah Palin started to talk, the audience let out a collective groan that sounded like "OMAC".

by lamewad October 4, 2010

ompacitors

A dinosaur on a lot of drugs

that ompacitors hit a ton last night

by Funny-kitten October 4, 2016

Pullin an omac

Pullin an omac means to simply not give a fuck about another persons feelings.

When they aren’t ready for a relationship but also don’t want you to be with anyone else. Pullin an omac

by Puckslut19 June 12, 2022

OMGackt

Short for Oh my Gackt; a play on OMG. It implies that you see Gackt as a God.

Note: Most people who use OMGackt use it to make fun of Gackt/Gackt fangirls.

Some girl said, "OMGackt!", but was actually serious about it, so Mitchi and I had to rip off her arms and use them to strangle her.

by Yaoi-chan August 12, 2004

omWacking Off In My Tool Shed

Originated from Beavis and Butthead when Beavis whacks off in a neighbor's(Anderson's) toolshed.

verb.Masterbating in one's toolshed

"Have you been whackin off in meh toolshed?"

by Kat Johnson June 10, 2006

Omacca

The coolest mf alive, loves cats, definitely cool to hang out with

Omacca is very cool

by Locaacol November 23, 2021