‘O’

Obscene

(adjective) – Ridiculous, offensive; An exaggeration of something

Oh hellllll no

(saying) – No way

Oh my gaaaaaaww

(saying) – Avoiding using the lord’s name in vain

Okely dokely pokely menokely

(saying) – Ok; Said when in a good mood

Ominikewllll

(noun) – our friend Eric; An item of sorts

On such a…

(saying) – Usually referring to something unexpected
Usage: “This is so racy for us to go out on such a Monday night.”

Onety-one

(noun) – Eleven

Oops I made a mistake

(saying) – Said after you make the smallest mistake ever that is barely a mistake at all

Orgasmic

(adjective) – Amazing