One who or that which ejects or discharges suddenly; something that ejects or expels forcefully.
From Latin 'ejaculator,' derived from 'ejaculari' (to hurl out) + the agent suffix '-or,' meaning 'one who does the action.'
In medical terminology, ejaculators are actually muscles that help with physiological processes, but the word works for anything that throws things out with force—including a malfunctioning sprinkler system!
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