You wack off in a persons shoe, leaving your cum in there for them to step in and walk around it unknowingly. Leave your unborn children in their slippers or sneakers to get even.
Rich was so mad at Henry that to get even he jerked off into Henry's shoes. Boy Henry wasn't expecting to be walking around in Baby Shoes that day.
A midget friend or a small friend of a tall person.
"Me and my midget buddy, baby shoes, we do everything together except see-saw cause that wouldn't be fair to him."