a slightly altered way of speaking 'son of the bitch'. Or probably just a scene involving the sun and the beach.
Mate 1: woah, look at that! sun of the beach! a pretty scene!
Mate 2: nah it ain't, you sun of the beach.
Mate 2: nah it ain't, you sun of the beach.
by Barnacl437 November 1, 2023
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