Puking

from WordNet (r) 3.0 (2006)

puking
    n 1: the reflex act of ejecting the contents of the stomach
         through the mouth [syn: {vomit}, {vomiting}, {emesis},
         {regurgitation}, {disgorgement}, {puking}]

from The Collaborative International Dictionary of English v.0.48

Puke \Puke\, v. i. [imp. & p. p. {Puked}; p. pr. & vb. n.
   {Puking}.] [Cf. G. spucken to spit, and E. spew.]
   To eject the contests of the stomach; to vomit; to spew.
   [1913 Webster]

         The infant
         Mewling and puking in the nurse's arms.  --Shak.
   [1913 Webster]