When masturbating, cum, but then fap through the orgasm while urinating the whole time. This will leave both semen and piss all over the place. The idea is to get as much pee on the floor, walls, couch, ceiling, etc.

Guy 1: Dude, it smells like piss in here! Is that dried cum stuck to the wall?!?!?!

Guy 2: Yeah, that was some pretty good urojacubation last night!

Guy 1: WTF?!?!?!

Urojacubation by 1234loozer2000 January 13, 2020

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Umijay selfie

The act of two taking a selfie looking down into the front camera with a smile.

Let's take an Umijay selfie after you've finishing vaping

Umijay selfie by #1UmijayFan September 7, 2023

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Umosay

A homosexual who supports the Chiefs

Hey look that guy is like Umosay (aka gay)

Umosay by mosh May 6, 2005

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Umjak

Um·jak

Noun.

1) Somebody who is stupid enough to post a nine minute rant on youtube about a website that they openly admitted to spending an hour on.

2) Somebody who states the obvious.

I was looking the press pages of UD and saw that stewieforgov's youtube watch?v=Zwe458YbohA video.

Haha, me too, he's suck an Umjak.

Umjak by OliverUnderTheMoon October 20, 2008

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