eruct

(verb) eject or send out in large quantities, also metaphorical. Synonyms: spew, spew out. Examples: "The volcano spews out molten rocks every day." "The editors of the paper spew out hostile articles about the presidential candidate."

(verb) expel gas from the stomach. Synonyms: burp, bubble, belch. Example: "In china it is polite to burp at the table."