Footsies, playing footsies or footsie is a practice in which people use their feet to play with each other's feet. This generally involves slipping their shoes off uner a table and rubbing their bare feet and soles against one another or up their partner's leg. Footsies generally is used to flirt with sexual partners, though it can also be done without an erotic intent as when young children will play with each other's feet in school.