feast-or-famine

[ feest-er-fam-in ]
/ ˈfist ərˈfæm ɪn /

adjective

characterized by alternating, extremely high and low degrees of prosperity, success, volume of business, etc.: artists who lead a feast-or-famine life.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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