it means the same as BURNNNNNN just much more fun to say.
Mike: "you look pretty today"
Karen: " you look ugly today, no..thats everyday. Nevermind!"
Someone else: SHA-BURRRNN!
by 573p413 May 10, 2005
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Abbreviated Version of should-burn-good as popularized by Father

Jay Master's was blasted on Beer and Marijuana one night, when he decided to throw wood into the firepit. Afterwards he exclaimed SHA-BURN-GUR, which was well received and understood by his equally wasted peers.
Your pecs SHA-BURN-GUR after a 505 for a double
by CreamyCrypto April 24, 2022
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