erupt — (of a volcano) become active and eject lava, ash, and gases.
belch — If someone belches, they make a sudden noise in their throat because air has risen up from their stomach.
discharge — to relieve of a charge or load; unload: to discharge a ship.
disgorge — to eject or throw out from the throat, mouth, or stomach; vomit forth.
eject — Force or throw (something) out, typically in a violent or sudden way.
eruct — Emit stomach gas noisily through the mouth; belch.
expel — Deprive (someone) of membership of or involvement in a school or other organization.
explode — Burst or shatter violently and noisily as a result of rapid combustion, decomposition, excessive internal pressure, or other process, typically scattering fragments widely.
gush — to flow out or issue suddenly, copiously, or forcibly, as a fluid from confinement: Water gushed from the broken pipe.
hurl — to throw or fling with great force or vigor.
spew — to discharge the contents of the stomach through the mouth; vomit.
vent — a slit in the back or side of a coat, jacket, or other garment, at the bottom part of a seam.
