Thor is a type of dildo made by Zeta Creations, known for their range of sex toys modelled on animal penises, both real and fictional animals.
The Thor is modelled on the penis of a horse, and is very large. It measures over 24 inches long, with a 5 inch wide flare. The flare itself is around the size of a human fist. It is made of a jelly-like substance. It has become a kind of in-joke within the Furry fandom.