Toilet wisdom
Situation when you have a problem, e.g. at work, but don't know how to solve it, and when you are in the toilet - preferably taking a shit - you suddenly come with the solution.
Guys! I have a solution for that nasty bug! I was sitting in the lavatory when got enlightened by the toilet wisdom.
Toilet wisdom
When you take a shit at work thinking about the problem you are currently strugling with and suddenly you get an idea how to fix it.
Greg! Herman! I know how to fix that damn bug! I was taking a dump when the toilet wisdom enlightened me!