Running so hard that you throw up during or immediately after a race. Also can be used to describe the "puke" that is ejected from the person and onto another runner.
He ran so hard during the cross country meet that he was ploofing nearly the whole time.
verb: The act of getting poo on one's foot and then tracking it around the house.
noun: One who has poo on one's foot
adjective: One having poo on one's foot
verb: My damned cat poofooted my pillow this morning.
noun: You're a disgusting poofoot.
adjective: Your child is a poofooted little jerk.