What does "hobnob" mean?

Hobnob: At random; hit or miss. (Obs.) Holinshed.

Additional senses

  1. 2.To drink familiarly (with another). [ Written also hob-a-nob.]
  2. 3.To associate familiarly; to be on intimate terms.
  3. 4.Familiar, social intercourse. W. Black.

Sources