Synonym for someone who is either high or suffering from a delusion. From the 1960s television series "Lost in Space" where a group of travelers found themselves stranded on an alien world.
That guy is truly lost in space. He's out of it.
by EmperorNorton47 April 24, 2015
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CM: Hey yo! lets get lost in space this weekend!

SJ: Sounds good!

DG: Im Lil Wayne and im lost in space!
by Arab Money 802 June 09, 2009
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If someone is Lost in space he is very high. The person doesn't know whats going on and is talking random trash.
Balz: Ay bro what's 2+2?
Larin: What are you talking about?
Lukas: Don't even try it again, he is Lost in space.
by BalzEshUme July 04, 2020
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When a guys dick is so small it practically gets lost in your cooch.
Wow, I didn't know Jhon was so small. Last night we finally did it and he got lost in space.
by x3 x3 November 10, 2005
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to have sexual intercourse with a woman with an exceptionally large/loose vagina
"blimey sean" "I thought kev's next door neighbour was quite tasty 'til i gave her one - no good - lost in space"
by theWestHamfan December 10, 2003
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A bunch of rats in a rat guild full of rats and with big rats with the guild master being the biggest rat master of them all. Also a skyblock guild but mainly Rats In Space. discord.gg/space
Oh you're in lost in space?
Fucking rat get outta here

rats rats we are the rats
by Vepes November 23, 2020
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