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
3 more definitions
Top Definition
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 June 09, 2009
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
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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