Any type of utensil used by females for masturbation or for assistance during sexual intercourse. These items include: kitchen utensils, mechanical tools, remote controls, video game controllers, etc.
Dude 1: "Dude, why does the remote smell so funky?"
Dude 2: "Oh, right... that's my girlfriend's fucktensil"
Dude 1: *drops remote* "Eeww dogg, you guys are fucking nasty..."