Jong-uning 

Bragging about something you don't actually have, or won't actually do.

He was bragging about his huge penis; turns out he was Jong-uning and it was tiny.

Jong-uning by zhangster69 May 7, 2013

kim jong uning 

When a man goes on a crazy sex rampage and fucks every female thing that he sees. He impregnates all of them and they all thoroughly enjoy it.

The man is now father of 56 kids and 9 puppies 4 cats and a bird after he went Kim Jong Uning awhile ago.

kim jong uning by FredFred69 August 17, 2014