Nickdeep repesents the use of taking an individual with "Nick" in their name and adding deep to just say that they are really emotionally deep/ thoughtful.
For an individual who is fearing for another with the nameNick, "Yo, ur so Nickdeep, just grow up and deal with your own problems."
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi