If you are Canadian then you have heard of the expression going down the rabbit hole.
What does rabbit hole mean? Used especially in the phrase going down the rabbit hole, a rabbit hole is a metaphor for something that transports someone into a wonderfully (or troublingly) surreal state or situation.
A donkey hole is a much worse scenario and it means that it will be a huge challenge for you to fix. It also means that you were not smart enough to not realize what a mistake you were making in the first. It will take a huge effort to get you out of the situation and a lot of people will have to get involved.