This slang page is designed to explain what the meaning of burnout is. the slang word / phrase / acronym burnout means... . online slang dictionary. a list of slang words and phrases, idioms, jargon, acronyms, and abbreviations.. Burnout definition, a fire that is totally destructive of something. see more. contemporary examples. of burnout. slang, from the verbal phrase, from burn (v.) + out (adv.). meaning "mental exhaustion from continuous effort" is from 1975.. Occupational burnout is thought to result from long-term, unresolvable, job stress. in 1974, herbert freudenberger became the first researcher to publish in a psychology -related journal a paper that used the term burnout ..
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