"Oars or Whores"

A Sailor was rowing down the river when his oar slipped out of his hands. He drifted aimlessly when his path crossed that of another rowboat. In the rowboat were a man and two young women. The Sailor called over …

“Sir, will you lend me one of your oars?”

The man in the rowboat became furious and answered sharply,

“They're not whores! They're my two sisters!”