hob-a-nob

from The Collaborative International Dictionary of English v.0.48

Hobanob \Hob"a*nob`\, Hobandnob \Hob"and*nob`\, v. i.
   Same as {Hobnob}. --Tennyson.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Hobnob \Hob"nob`\, v. i. [imp. & p. p. {Hornobbed}; p. pr. & vb.
   n. {Hornobbing}.]
   1. To drink familiarly (with another). [ Written also
      {hob-a-nob}.]
      [1913 Webster]

   2. To associate familiarly; to be on intimate terms; as, to
      hobnob with the political elite.
      [1913 Webster]