basically a Bay Area term that means hella chill or cool depending on whether you're using it as a noun or adjective. Kroop can be anything.
Noun: "She's a kroop! we should hella hang out with her sometime"

Adj: *Comes back from kickback* "Ahhh today was a hella kroop day"

Verb: "Dude let's kroop sometime!"

Interjection: *gets digits from hot black girl* "AW KROOP!"
by summerfunktionz November 9, 2013
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Keep Religion Out Of Public Schools.
A person who believes that religion has no place in the public school system.
Become a kroop and send a message to the governments of the world to keep religion out of public schools.
by secular sanity May 16, 2011
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