When a male mimics the female ability to enter a bathroom, defecate quickly, maybe even wash hands, and exit said bathroom in a timely manner. The term is neither derogatory nor complimentary; it is simply observational.
Guy A: "You're back quick - I thought you said you had to drop a deuce?"
B: "I did! I took a chick-shit. But it wasn't by choice - somebody moved the copy of War and Peace I was reading in there. Plus I still have that hemorroid I showed you last week . . "