Nut, the head, in pugilistic slang. Used as an exclamation at a fight, it means to strike on the head. In tossing it is a direction to hide the head; to be “off one’s NUT,” to be crazed or idiotic.

Nut-cut, roguish, mischievous. A good-natured term of reproach.—Anglo-Indian.

Nuts, to be NUTS on anything or person is to be pleased with or fond of it or him; a self-satisfied man is said to be NUTS on himself. Nutted, taken in by a man who professed to be NUTS on you.

Nux, the “plant,” or object in view. “Stoll up to the NUX?” “Do you fully comprehend what is wanted?”—North Country Cant.

Oaf, a lumbering, awkward fellow.

A “Sporting Door,” or “Oak.”

Oak, the outer door of college rooms; to “sport one’s OAK,” to be “not at home” to visitors. See [SPORT].—University.

Oar, “to put in an OAR,” to interfere.