When a person who uses a fake name actually adopts the name as their legal name.

Named for the British actor Sir Michael Caine. His real name is actually Maurice Micklewhite, Jr. And whenever he tried to go through airport security, the guard would instantly recognize him. "Oh, you're Michael Caine!"

But when Caine would show his passport, which displayed his real name, he would always have to go through the incredibly annoying task of proving that Maurice Micklewhite, Jr. is in fact the same person. Eventually, he got fed up with it and legally changed his name to Michael Caine once and for all.
Becoming Caine doesn't happen very often, but you really can't blame Michael Caine for doing what he did. That would drive anyone mad after awhile.
by Someone who kinda exists November 19, 2021
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A kid that thinks that he is the shit when he is actually just a loser. He cannot fight, he can't do shit.
Hey CJ Cain, you suck!
by Kent Johnson69 May 18, 2013
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When you snort some much cocaine it goes right to your brain.
Rory was tired so he grabbed his eight ball and got Caine-brained.
by Kev_dwag April 22, 2016
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Propa little gangster from the bhc, he’s always bouncing aboot in the bhill spotting full potention on the way. Loves to bask at the local park with the boys. Hold tight all the battle hillers.
Andrew caine bouncing aboot in the bhill.
by Battle hiller inside January 11, 2018
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slane caine is the dude that won't face the day without taking cocaine .
him losing his parents turned him into a slane caine.
by Gstary Konvie July 26, 2019
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