plool is similar to lol and is used in the same situations as lol. The diffrence is it contains an extra p and o for no real reason this is the logic of plol
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.