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1.
Adjective adverb: -ly

1. The quality of being utterly outrageous to the point of absurdity.

2. Something (typically in reference to a command or course of action) that is wildly unreasonable and maddeningly ridiculous.
Dan: Dude, the colonel's being totally flumbunctious!

Kealan: You're telling me bro, I have no idea how we're going to mow this whole lawn in 4minutes with these stupid little scissors he gave us.

Colonel (shouting): You idiots! You're in a minefield and you're supposed to be disarming the mines with those scissors!

Kealan: That's even more flumbunctious! BANG
by How bout them apples? November 30, 2011