2) Old virgin/female that has not been penetrated lately
3) In a pinch, it can be used for a male that hasn't gotten any lately either. Especially insulting because it also attacks their manliness
Not to be confused with sand nigger
2) "Your sister is such a sandcunt, she deserves a pity fuck."
3) "Let's get Joe a drag hooker for his birthday, he's such a fucking sandcunt!!"