n. a noonwhistle is a man who whines incessantly for petty reasons due to a hormonal imbalance where excess estrogen is released into the body
v. to noonwhistle is the equivalent of the female menstrual period in a man.
n. Look at that noonwhistle over there whining about not getting all his money back for beer.
v. -Why is he whining about his shoes hurting so much?
-Oh, hes just noonwhistling again. It's that time of the month.