What is Oldboy?
1.
From the movie "Oldboy" based from the Japanese Manga of the same name. Definition: "To have sex with your daughter, and you don't even know it while cutting your tongue out and getting hypnotized thinking your daughter is your lover."
You sicko! You are an oldboy!
2.
A pronoun used in place of a male name and usable in the role of both he and him.
Oldboy's gettin rage drunk tonight.
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