The small particles that accumulate between the sheets during and after prolonged sexual encounters, more commonly unprotected ones. Generally caused by the repeated friction between genetalia that was once very moist, but has dried slightly during the course of coital conduct.
"When you come come back from cleaning up in the bathroom, can you help me swipe off this sex sand from the bed?"
by Norman TheCalf May 06, 2016
buy the domain for your travel vlog