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
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
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
To get drunk with friends.
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
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