The phase beyond dry mouth. When you cannot even form enough spittle for spit. Your mouth is a vacuum from which nothing can escape.

Caused by smoking way to much of the devils lettuce without taking the necessary hydration precautions before sparking up.
Dude we should have brought a bottle of water with us I have aggressive space mouth.
by Flange22 February 26, 2021
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The act of a man laying on his back in the shower. Then proceeding to urinate in an upward fashion, preferably towards the female clit as they stand over said man.
Man: "Hey shorty you trynna let me space x you?"

Woman: "Sure thing hun! I would be pleased to have you space x me tonight before bed.
by Ballsach69 August 27, 2022
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(N.) The best clan for the game Counter-Strike. A.I.S.
Hey, all the Asses In Space are gunna be at CBS later so I'm not going don't want to get my ass kicked.
by Pissed Off Polak December 7, 2003
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Hey space head, they’re talking about the moon on the news, come look
by ChrisPeeBacon August 20, 2022
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