What is Dead Horse's Ass?
1.
saying that means what you are asking for is absolutely not going to happen.
When somebody asks for something that you're not going to give them or do for them, your response is "Sorry, but I'd say you're looking up a dead horse's ass"
See
Random Words:
1.
sling'n dirt while going fast on a quad
as # 14 pulled the whole shot he was roost'n boost'n through the track..