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
Get a Lost in space mug for your mate Jerry.
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
Get a Lost in space mug for your buddy Manafort.
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
Get a Lost in space mug for your sister-in-law Rihanna.
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
Get a Lost in space mug for your dad Georges.
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
Get a lost in space mug for your cat Vivek.
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.
Oh you're in lost in space?
Fucking rat get outta here

rats rats we are the rats
by Vepes November 23, 2020
Get a Lost In Space mug for your fish Manafort.