Top definition
When one unintentionally uses a phrase or conversational tangent that has no relation to the subject matter preceeding it. See Non Sequitur.
Ken: So then she put down the remote, and we had a fight.
Kane: Over what, exactly?
Ken: You know how you forget to put the toilet seat down? Well, I fed a squirrel a chilli yesterday. Comedy gold.
Kane: Whoa. That's one heck of a non sequifuck there, mate.
by Kevin Ruddofsky January 01, 2009
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