This is when you shit, puke, and piss all at the same time.
Bob had a total evacuation the other night and lost about ten pounds.
by Joshua ROcks June 29, 2006
Get the total evacuation mug.
The simultaneous loss of multiple types of bodily fluids, on an involuntary basis, after passing out following a night out on the town.

Known on twitter as #TBE
Julian didn't know what had happened to his bed until he realised he'd had a Total Body Evacuation during the night
by ubd_god December 20, 2011
Get the Total Body Evacuation mug.