What do diapers and politicians have in common?

They both stink and need to be changed often.

More dad jokes you'll groan at

What do you call a broken clock? A waste of time.What do you call a monster with a high IQ? Frank-Einstein.What do call a criminal landing an airplane? Condescending.How do you fix a broken tomato? With tomato paste.What did the plumber say to the singer? Nice pipes.What did Tennessee? The same thing as Arkansas