positive term of address used to connote respect, wisdom and experience in a person, usually male who appears youthful
"What's goin' on old boy?"
מאת thickduff 21 בדצמבר, 2004
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.
מאת Jabroni guy 4 ביוני, 2007
your big wang mate. (in other words: penis)
she whipped out me old boy and gave it a tug
מאת MD MACHINE 18 בדצמבר, 2013
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!
מאת L. Sosodef 8 באפריל, 2005