spit up, to vomit; throw up: The wounded soldier spat up blood. If you jostle the baby, she'll spit up.
—Idiom
13.
spit and image. Also, spitting image, spit 'n' image.Informal. exact likeness; counterpart: Hunched over his desk, pen in hand, he was the spit and image of his father at work.
Origin: bef. 950; (v.) ME spitten, OE spittan; c. G (dial.) spitzen to spit; akin to OE spǣtan to spit, spātl spittle; (n.) ME, deriv. of the v.