look up any word, like cleveland steamer:
 
1.
when things arn't working out the way you had hoped or planned.

it's also an exclamation used when things aren't working out.
This whole week is Donkey Butter. I can't seem to get anything done.

if you are skating and can't land a trick you might yell out "Donkey Butter!"
by Quetzaltenango April 03, 2006
 
2.
One of many types of male spooge
Man, I love the taste of your donkey butter
by adam kirwin September 29, 2003