Mario: yo man need a light?
Luigi: Na man. Ying-Yang?
Mario: Thank god, people always steal my lighters.
Luigi: Na man. Ying-Yang?
Mario: Thank god, people always steal my lighters.
by fiivnyisd August 19, 2011

by MSGRIMEY April 19, 2006

Because the YING YANG symbol resembles the number 69, some use it as SLANG for "69" meaning "two people orally stimulating each other at the same time".
by Peter Eaton December 24, 2006

by Caleb Johnson March 4, 2007

also used in east london's cockney rhyming slang, in this instance ying yang rhymes with chang - another slang term for cocaine.
by city-boy June 25, 2007

by deeznuts2475 August 3, 2012
