(slang) To vouch for (someone), thus allowing them to join a gang, buy contraband from or otherwise be treated as trustworthy by criminal elements; to have been introduced to important people.
I duked you in, and you're gonna betray them!
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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.
See all Regional & Other slang on Slangora.