Friend, matey, brother, partner, Denoting friendship and kinship
"Ai yup mucca"
by *redpoltergeist June 8, 2012
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A greasy mustache belonging to young teenage boys who refuse to shave it off. It can also be used as a derogatory term of said teenagers. Originating in one corner of Ireland, it is spreading rapidly at present.
"Hi boys theres mucca coming now, think Kevy P would make you shave that thing mucca"
by Cak123 September 6, 2015
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It's a greeting call for a society of surfers known as the Mucca Mad Boys from the town of Narmucca Bay, New South Wales.

It also helps to differentiate from their enemy, the Fennel Hell fuckwits.

Every Mucca Mad Boy's duty is keeping Narmucca Bay safe from the Fennel Hell Men.

Play-hard-Mucc-hard is the motto.
"Mucca 🤙 Mucca 🤙" *hang loose fingers around the neck* 🤙
"ok you're a Mucca Mad Boy, you can surf here"

You do hang loose fingers from left shoulder and right elbow crossing your arms then you uncross both hang loose hands over your heart. Then chant "Mucca Mucca Mucca, Oi Oi Oi"
by Smoothmarkymark July 5, 2019
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Man I couldn't get that mucca to flush. I had to cut it in half with a knife.
by Eligyr January 22, 2021
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A mucca fucker who likes dogs
Yo st Bartholomew James the fourth is a proper mucca
by Jimjimkum August 31, 2021
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