1. an abbreviated letter for the word 'oh', most commonly used in text messages. 2. literately the fucking letter o what did you expect
"o i didn't know that, tell me more"
by shykai February 21, 2020
Get the omug. Scammer: WHO WANTS TO TRUST TRADE FOR MFR GIRAFFE!!
5 y/o: ME ME ME!!
Scammer: Trade me your best pet first
Also 5 y/o: OKAY OKAY! I HAVE UNICORN :D
Random Noob: Sci O Scem
5 y/o: ME ME ME!!
Scammer: Trade me your best pet first
Also 5 y/o: OKAY OKAY! I HAVE UNICORN :D
Random Noob: Sci O Scem
by Doggo's Simp March 12, 2021
Get the Sci O Scemmug. 
A deeply intense orgasm that causes the entire body to spasm and clench for an extended period of time. Often take minutes to recover from. Can feel like a minor death. Usually comes from a period of orgasm denial or long building orgasm.
My partner had teased me for days, bring me to the edge and then forcing me away from it. When I finally got off, it felt like a Screenshot O.
by Kinkysunflower October 9, 2023
Get the Screenshot Omug. 
Being promised something beyond one's capability of delivering it only to continue to behave positively even though the customer is obviously distressed. Used in business when marketing a product simply for marketing's sake.
Person 1: Do You still think Orlando City's motto should "Defy Expectations"?
Person 2: Hell no! They O c'd us and now I can't resell these worthless season tickets because nobody wants to go the games.
Person 2: Hell no! They O c'd us and now I can't resell these worthless season tickets because nobody wants to go the games.
by KatSpinner1 December 23, 2017
Get the O C'dmug.