It means saying you will do something and then doing something entirely not relevant to what you intended to do.
Origin: Beetlejuice Goes Hawaiian and therefore, Beetlejuice Going Hawaiian.
New Beetlejuice movie (Beetlejuice 2) is said to have this title. But, in reality, will have nothing to do with Hawaii. But possibly tallying bananas.
by stumblemuffin February 14, 2014
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