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.
Mewling and puking in the nurse's arms. --Shak.