Definitions
#1·Apr 27, 2026
(dated) A louse.
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#2·Apr 27, 2026
(historical, US, colloquial) A Confederate soldier during the US Civil War (because of the grey uniforms).
...to resist the farther advance of the greybacks.
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#3·Apr 27, 2026
(historical, US, colloquial) A Confederate States dollar during the US Civil War.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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Other words near "greyback" (G)
GregorygremgrenadeGretaGretzky's officeGreygrey beltgrey club-rushgrey corkwoodgreyersgrey folkgrey ghost
Browse all slang words starting with G.