When two persons are smoking one piece but each hold their own lighter.
Mario: yo man need a light?
Luigi: Na man. Ying-Yang?
Mario: Thank god, people always steal my lighters.
by fiivnyisd August 16, 2011
Get the ying-yang mug.
someone who talks alot. words that are just not interesting. someone who talks alot of smack...etc
missy elliot always be talkin all that ying-yang
by MSGRIMEY March 22, 2006
Get the ying-yang mug.
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".
SHELLY: Jack, I'd REALLY like to do the "Ying Yang" right now.

JACK: Okay!
by Peter Eaton December 21, 2006
Get the Ying Yang mug.
also called Ying Yanger. part of a female/male. mainly called ass
blow it out ya ying yang buddy!
by Caleb Johnson March 3, 2007
Get the ying yang mug.
also used in east london's cockney rhyming slang, in this instance ying yang rhymes with chang - another slang term for cocaine.
do you want any more ying yang im on my way to get some now
by city-boy June 4, 2007
Get the ying yang mug.
When two people lay on a horizontal surface on their side and fist each other at the same time.
How's your sphincter felling tonight, because I'm kind of in the mood for a good ying yang.
by deeznuts2475 March 20, 2012
Get the ying yang mug.