To slap a girl across the face with your well endowed johnson
Hey... She is into the rough stuff! She likes me to give her the "slappy Pappy"
by El Donko Deluxo June 27, 2003
1 more definition
To hit your grandfather in the face with your jewels. ;)
I just did a slappy pappy and he grounded me for two weeks! I don't think he gets the joke!
by kyleBUTT August 07, 2008