I'll Be A Son Of A Bitch Definition
Expression of surprise or irritation.
Wiktionary
Origin of I'll Be A Son Of A Bitch
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Attested from at least 1925. From older son of a bitch , from Middle English ILL BE A SON OF A BITCH biche-sone (literally “bitch's son"). Compare I'll be damned , from the 18th century.
From Wiktionary
