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database is a comprehensive collection of all the American idioms and slang available.
American Idioms are many and varied. We hope you enjoy our collection. We are adding more all the time.
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Bread and butter, here, indicate the means of one’s living. (That is why we say ‘he is the bread winner of the family’). If a sub-ordinate in an organisation is quarrelsome or if he is not patient enough to bear the reprimand he deserves, gets angry and retorts or provokes the higher-up, the top man dismisses him from the job. So, he loses the job that gave him bread and butter. Hence we say, he quarrelled with bread and butter (manager or the top man) and lost his job.