throw back

from WordNet (r) 3.0 (2006)

throw back
    v 1: throw back with a quick, light motion; "She tossed back her
         head" [syn: {throw back}, {toss back}]

from The Collaborative International Dictionary of English v.0.48

Throw back \Throw back\, v. i.
   to revert to an ancestral type or character. "A large
   proportion of the steerage passengers throw back to their
   Darwinian ancestry." --The Century.
   [Webster 1913 Suppl.]
   [1913 Webster]