To be keen to do something
i.e. keen as mustard
man I'm hell mussie to play football
by Gazamattaz April 24, 2008
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He was acting like a mussie.

Don't be such a mussie.
by lil grubber October 30, 2018
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a man pussy , a reference to the male anus
You're a mussy -

Show me your mussy -

Give me some of that hot mussy -

by b and e February 5, 2008
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Slang word for a gay males ass.
"Wow, that was a crazy night last night, my mussy really hurts today."
by Jason Zamorano September 23, 2006
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“I was present at my sisters birth last night”

“Gross bro. Did you see some Mussy?”
by Mussylover6969 November 2, 2021
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A man-pussy
The mussy was soaking wet and quivering with anticipation
by TheTaint June 3, 2013
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