look up any word, like fluffer:
 
1.
YADADAMEEN: A colloquial originated phrase from the Bay Area, California referring to the statement of "You know what I mean" after a declarative sentence or claim have been made by an individual. It holds an urban and slang syntax. It is a sister phrase of the East Coast saying of "Nawmeen."
Poppin' yo colla and doin' da Thiza Face while bumpin' Mac Dre or any Bay Area artist, then yellin' "YADADAMEEN!!!"
by Eric V.G. February 02, 2006