upchuck
up-chuck
verb
To vomit or expel food from the stomach, often due to illness or nausea.
"He felt unwell and had to upchuck his lunch."
Thesaurus
Synonyms: vomit up, purge, retch, barf, chuck, cast, regurgitate, cat, honk, disgorge, spue, vomit
Antonyms: keep down