A drunk walks into a bar, staggers past the bar, goes into the mens room. Shortly, a loud anguished yell emits from the mens room. A customer asks the bartender "What the hell is wrong with that guy?"
The bartender says "Beats me." A short time later another loud scream emits from the mens room. The bartender rushes to the mens room, flings the door open and says "What the hell is your problem?"
The drunk looks up very pathetically with tears running down both cheeks and in a slurred voice says "Every time I flush this damn toilet, I pinch my nuts!"
The bartender starts laughing and says "Man, no wonder, your sitting on the mop bucket!"