(v.) The act of slapping a man's genitals with the back of the hand in an effort to cause malicious pain.
I just dilly slapped Teddy-Bear.
by zell565 September 25, 2006
Putting your hand in a condom, filling it with water, and then slapping someone.
Chick: Jo wouldn't give me his Snack Pack, so I dilly slapped him in the face.
by willynillydilly2 May 27, 2011