nincomtroop (noun): nincompoop + troop = a contingent, a group, a band, a bunch, even a delegation of people bonded together by their astonishing cluelessness.
They might be politicians or they might be in charge of the bake-sale fundraiser. They might even be your coworkers: see mayhemployee. Worse, they might be your bosses. Regardless, they are imbeciles and they travel in packs. So speak softly and carry a big box of assorted crayons. It might distract them.