Hob Nob
.A corruption of hab nab, meaning “have or not have,” hence hit or miss, at random; and, secondarily, give or take, whence also an open defiance. A similar construction to willy nilly. (Anglo-Saxon, habban, to have; nabban, not to have.)
“The citizens in their rage shot habbe or nabbe [hit or miss] at random.”—Holinshed: History of Ireland.
“He writes of the weather hab nab [at random], and as the toy [fancy] takes him, chequers the year with foul and fair.”—Quack Astrologer (1673).
“He is a devil in private brawls … . hob nob is his word, give ʹt or take ʹt.”—Shakespeare: Twelfth Night, iii. 4.
“Not of Jack Straw, with his rebellious crew.
That set king, realm, and laws at hab or nab [defiance].” Sir J. Harington: Epigram, iv.