poppet /ˈpɒ.pɪt/ noun6 •(informal) An endearingly sweet or beautiful child. •(informal) A young woman or girl.Come 'ere, poppet! •A doll (such as a voodoo doll) made in witchcraft to represent a person, used in casting spells on that person. •The stem and valve head in a poppet valve.After passing through the poppet valve, the impulse air and water flows through a poppet discharge stop valve and then through a discharge pipe to the poppet drain tank or bilge — 1960 •One of certain upright timbers on the bilge ways, used to support a vessel in launching. •An upright support or guide fastened at the bottom only. formspoppets