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flap flap flap.
flap could flap and the flap could explode the flap earth
The word flap is a regular verb. Flap can also be a noun.
open glove box and lift up black plastic flap in top l/h corner and fuses are there, quite often both bulbs are blown
The same a large bird would, I guess. You know, flap, flap, flap, whoosh, flap? You get my point?