1. A woman forced to carry your baby.
2. A person who unknowningly carries jizz across international borders.
3. A mule that is used for pornagrafic acts in beastiality films.
4. A girl which is cummed on, in the face, by a small group of men. (see Jizzdonkey)
1. Hey Mike your wife's had another mis-carriage why don't you get yourself a Jizz Mule.
2.Tommy I need some help loading up the jizz mule.
3.The Jizz Mule has been fucking all day I think he needs a break now.
4. This bitch was a real Jizz Mule, me and the lads all spunked in her face.