Sand fleas 

Sand that gets in your girlfriend's poothole during an anal sesh at the beach.

Eric: "dude mindys been in the bathroom for a half hour"
Dave: "shes got some sand fleas. "
Eric: "ayyyyyyy"

Sand fleas by Dangler43 April 22, 2020

sand fleas 

Parasites from people that are too poor to get regular crabs.

Man, that chick with the big ol' brown ass titties gave me serious sand fleas

sand fleas by pfc. Snowball December 18, 2008