Treadmill High

n. The effect that occurs shortly after finishing a treadmill workout, in which, after running in place for a long period of time, walking on static ground gives the sensation that you're body is moving twice as fast as you're walking. Often causes sufferer to walk abnormally slow or, in hilarious cases, fall down. Usually experienced by those who do not use a treadmill often.

After using the treadmill for an hour, Jack had a treadmill high and, in an attempt to slow down, stumbled on his way to the locker room.