Top definition
To like everyone and everything.
This word origniated from the Georgia Nicolson Series by Louise Rennison
"Today, I fell in love 40 times! With just about everyone and everything, I think I have the cosmic horn."
by Massielle August 13, 2005
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2
A temporary condition in which a person feels indiscriminate attraction, possibly sexual, towards an irrational amount of people.
Zoinks, I just want to make out with every guy I see. Blast this cosmic horn!
by Rachel "Bliggle" Collins November 09, 2006
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3
"She's got the bad sign of cosmic horn, she found out the guy she loved has got a girlfriend. what a dick"
by Lydzieee November 26, 2008
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