Resisting restraint or control in a difficult manner; unruly; boisterous, noisy, clamorous.
A lunatic may be “soothed,”... for a time, but in the end, he is very apt to become obstreperous. His cunning, too, is proverbial, and great.... When a madman appears thoroughly sane, indeed, it is high time to put him in a straight jacket.
—Edgar Allan Poe “The System of Doctor Tarr and Professor Fether” Graham’s Magazine (1845)