1. something unexpectedly cool
2. someone who is strange
1. I didn't think Mike's party would be fun, but it was. It was so groosie!
2. Did you see the guy on the bus? He was such a groosie!
by moocher99 November 28, 2013
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Groosy is the nickname for a wee man who loves kids, who keeps his sack full for special occasions and likes playing fifa for a chance to shag other guys burds
If a guy turns around and says it’s on the clock their old enough for the cock he’s definitely a Groosy
by Anonynomys February 12, 2018
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