spit-up

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spit-up (countable and uncountable, plural spit-ups)

1. (informal) Digestive fluids and other stomach contents which are regurgitated or vomited, especially by a child.
   • 2000 March 20, Sharon Cotliar, “Mothers of Invention”, in Time:

     Dana Lowey Luttway anointed her son Daniel Henri "the king of spit-up" but was inspired by his daily rejections to create her first invention: the ParentSmock, a cotton bib made for parents.

• spit up (verb)

• tip-ups, tips up