This term is used to describe the rough and scratchy feeling when wiping one's bum after a long day at the beach.
"Oh dear, the combination of burritos and sandpaper brought me to tears last night"
dan- yea its more like sex pergutory
jane- haha, u r funny, but i saw someone use a new type of lube
dan- oh yea?
dan- well lets do it, lets use sandpaper for some grit.
jane- i will like it
dan- yes you will
jane- thanks, i hope i dont get a dry
san- oh no no, you will just get an orgasm
2. A word used to describe a female yielding no sexual benefit
3. See Grenade
Joe: Yeh, dawg I like sand paper.