Definitions by Camicca

sack slide 

1. An act within oral sex when the scrotum (sack) is licked continually up and down motion (sliding)

2. The act of travelling down an amusement slide on a sack

1. "I can make a guy ejaculate with a sack slide better than anyone else"

2. "Hey man, what are you up to tonight?"
"Heading over to Luna Park for the fun of a sack slide."

sack slide by Camicca October 7, 2011