look up any word, like swag:
 
2.
To take a shit...usually that you've been holding for about 2 or 2 days
Dude...I'll have to call you back. Right now, I have to run to the cage and burnamule.
by T-Mac April 08, 2003
 
1.
The act of taking a dump
John will be back shortly, he had to go Burn a Mule
by David Scott January 16, 2004