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1.
Popularized in the town of Marblehead Massachusetts, "dece dece legit" has grown into a wildly popular description of a situation or feeling. An extreme version of "legit" or "dece," "dece dece legit" is perhaps the greatest compliment one can bestow upon a happening, feeling, or person.

-Short for "decent decent legitimate"
legit-
Being in accordance with established or accepted patterns and standards.
dece-
Characterized by conformity to recognized standards of propriety or morality.
-Those nachos were dece, but after I smoked up they were dece dece legit.
-That chick has a sweet ass, she is dece dece legit.
by Nick Ro February 07, 2006