When you get sand stuck in your foreskin from your day trip to the beach, then when your boyfriend / girlfriend is sucking your cack, the sand blows out with the semen.
After a long day of surfing at the shore, Tina was lying in the emergency room due to a fellatio sandstorm that scratched her cornea.
Someone who while masturbating and very close to finishing, grabs a handful of sand from a bowl on his nightstand and finishes out his adventure making a sand volcano.
"ThinkKyle will get any tonight? " "Not when she finds out he's a sandslapper."
The act of attempting to drown in order to get the attention of a certain life guard.
Jeremy: "Do you see that guard over there?"
Jessie: "Yeah, what about him?"
Jeremy: "He is gorgeous, I'm going to sand lot him."
Jessie: "I can't believe you are going to try sand lotting him!!"
*sand lots the lifeguard.*