instead; in place

(intransitive) To eject something violently (such as lava or water, as from a volcano or geyser). / (intransitive) To burst forth; to break out.

(obsolete) An upstart. / A spring or leap into the air. / origin

(slang, vulgar) Resembling the female genitalia. / (slang, vulgar, derogatory) Cowardly.