Etymology
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After the nephews of Donald Duck in Disney cartoons.
Huey, Dewey and Louie pl (plural only)
- (poker, slang) Three twos; a three of a kind of twos.
2011, Warren Bull, Murder Manhattan Style, Untreed Reads, →ISBN, page 40:Gentleman Johnny's Huey, Dewey and Louie are the next highest cards visible. The three twos look puny against light-fingered Tucker's kings, but Johnny's still in the pot.