look up any word, like spook:
 
2.
Taking a nasty, wet, Taco Bell shit within the boots (or shoes, etc.) of someone you dislike immensely.
Broski: "I just bootshat in that fag's Converse!"

Broseph: "Excellent!"
by CrwnThyFrnicatr December 14, 2009
 
1.
when you are wearing shorts and you catch a bad case of diarrhea and the soft, liquidy shit runs down your leg and into your boot. common on camping trips or strenuous excercise.
hiker 1: hey what took you so long?

hiker 2: sorry i got a bad case of boot shat.
by vigz June 17, 2005