Insphincter Gadget
used to describe a person who often uses objects or sex toys to explore the anal cavity. often done with a dildo, banana, rodent, Oscar Mayer wiener, eel, squid, or fingers.
My guy is such a Insphincter gadget, while we bang he keeps putting all this stuff in my ass. First he used his fingers, then he pulled out a vibrator, then he tried to use a ketchup bottle. What a freak.