1 definition by theFalse

A reference to the character Reiner Braun from Attack on Titan. Reinering refers to an act in which a person gets so involved in a lie or a fake aspect of their life that they get lost up in what to believe in.
"Dude I accidentally stayed with my second family all the way until Halloween. I'm totally Reinering myself"

"Remember how Jack get pretending to be retarded? Turns out he got diagnosed with autism. Talk about Reinering yourself"
by theFalse April 23, 2021
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