What is Ricky Boxing?
1.
A slang term for masturbation which originated in the U.S. Navy.
"Where is the Captain?"
"Probably Ricky Boxing in his cabin."
See
2.
U.S. Navy term for masturbation (as mentioned elsewhere) which originated at basic training or "Boot Camp." The word "ricky" is simply short for recruit and boxing, well that one is obvious.
Stall seven is for ricky boxing.
See