ocn't 

Unoriginal content, the opposite of OC (original content)

*on r/dankmemes

Person 1: Hello. I came here from FB looking for some original memes.
Person 2: Sorry m8. There is no sign of original content in this subreddit.
Person 1: Oh boi. I guess I need to settle for some ocn't then.

ocn't by Bogdan Narut September 21, 2018

OCn't 

Unoriginal content, the opposite of OC (original content)

*visiting r/dankmemes

Person 1: Hello! I've come here to see some OC.
Person 2: Sorry, there is no sign of OC on this subreddit.

Person 1: Dammit. I guess I will have to settle for some OCn't

OCn't by Bogdan Narut September 20, 2018

OCNT 

A form of nap training which combines power napping, hard exercise, and massage. Most notably created and used by Opal Crankshaft. Opal Crankshaft Nap Training.

Opal: I just had a rough afternoon of OCNT!

Beatrice: What's OCNT?

Opal: O-pal C-rankshaft N-ap T-raining.

Beatrice: Oh my word, Morris is gonna love that. He could use a some rigorous nap training!!

OCNT by Dusty's Baby Powder September 24, 2010