Spacecow 

n.
A species of bovine well suited to the hostile environs of the vacuum of space. (see: Hey Diddle Diddle, Futurama)

While flying their spaceship, Fry heard a thud. "Oh no!" Fry exclaimed. "I think we hit a space cow!"

Spacecow by Spacecow March 8, 2003

Spacecow 

Typically refers to an uneducated woman. Most likely an overweight adult valley girl, or similar.

I tried to talk to Tiffany about current political events, but she gave me a blank stare and ate another Bon-bon.

Spacecow by Da11a5 December 29, 2003

Spacecow 

A cow from the outer reaches. Likes to make SILLY mp3s and make light of his sometimes self-perceived inferiority. A kewl guy who will ROCK YOUR WORLD A+ :D

Spacecow is a word on urbandictionary.com

Spacecow by Irving Washington March 30, 2003

flying spacecow 

Slang for any type of sexually transmitted disease uncommon but fun to use nonetheless.

Patrick: Man, I think I got a flying spacecow two nights ago this is not good.

Spongebob: Dude thats harsh, is it treatable?

flying spacecow by Nia Kazekage November 26, 2009

Jolly Space Cow

a happy cow of space usually in an Australian space siuit

The Jolly Space Cow was eating jelly. Jolly Space Cow is a very good YouTuber. Check out Jolly Space Cow on YouTube.

Jolly Space Cow by Wrath of Whacka August 2, 2020

Space Cow 

A certain phenomenon in the upper Midwest in which all food vanishes due to a HUGE cow, which takes up alot of space.

Damnit Space Cow! i knew you were hungry but did you have to eat ALL the food?!

Space Cow by wizzle bizzle September 8, 2006

Spacecock 

A cock so big, it reaches outerspace. People with extremely small penises may claim to have one...It is usually untrue.

Girl: I wanna get with that guy I heard he has a spacecock

Spacecock by MichelleFuckingUrrutia August 18, 2011