Top definition
The act of getting to a level of blackout drunk that you lose entire days of your existence. The hangover feels like the galaxy misplaced an asteroid right into the middle of your skull and its trying to break out. Wanting to become interplanetary usually follows emotional trauma on a scale where you would rather be torn apart by the vacuum of space than be sober.
"Today my girlfriend dumped me, my dog died, and a squirrel climbing a hole in my fly-screen so big a homeless man crawling in and starting squatting in my room. I'm getting fucking interplanetary tonight. Luckily I got fired from my job also because I'm going to need four days to recover."
by magicalbuttpir8 November 13, 2015
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