exercise bulimia

A person who justifies eating by excessively working out soon after a meal is digested.

Raquel: ugh...I just had 2 slices of pizza and a beer. I need to wake up early tomorrow to run 10 miles.

Steve: don't forget we are having birthday cake in the afternoon too.

Raquel: oh great. Then ill have to run and workout tomorrow night too then.

Steve: I think you have "exercise bulimia"!