Joke >>> Do you know the difference?
In an effort to keep you informed, the Irish defination for each, is listed below......
GUTS:- is arriving home late after a night out with the boys, being assulted by your wife with a broom and having the guts to ask: "Are you cleaning or flying somewhere?"
BALLS:- is coming home late after a night out with the boys, smelling of perfume and beer; lipstick on your collar and slapping your wife on the backside and having the balls to say: "You're next!"
I hope this clears up the confusion of the subject.