What is Jay Jay?
1.
Short for vajayjay which is slang for vagina.
The pornstar's jay jay must have been badly bruised.
See
2.
Drummer of 2 Term Nightmare. Beats his drums like they're women. Smokes blunts like they're going out of style. See also
Did you go to the show last night? Jay Jay beat those drums like my Dad beats my Mom!