Dude (oneself) up American British slang
To dress politely and even more formally than normal
I am invited to a ceremony tonight so I need to dude myself up.
Jenny dudes herself up in the opening of her store because many important partners will attend.
I have to dude myself up whenever I come to the office.
The verb "dude" should be conjugated according to its tense.
A legal matter that is very easy to solve
The house owners didn't lock the doors before going out, and that's why they got broken in. This is an open and shut case.