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?"
โดย thickduff 21 ธันวาคม 2004
your big wang mate. (in other words: penis)
she whipped out me old boy and gave it a tug
โดย MD MACHINE 18 ธันวาคม 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!
โดย L. Sosodef 08 เมษายน 2005