Verb
(transitive) To book or reserve something for two people simultaneously.
(reflexive) To make arrangements to do two things at the same time, such that it is impossible to keep both arrangements.
Source: en.wiktionary.orgIf you ask my wife, the biggest fault is my inability around the house. She says the only thing handy about me is that I'm close by. And, I have a terrible memory. I'm bad at saying no. I often double-book. There are a lot of things. Hugh Jackman