Definitions by Sweet Crimson

Yingin' 

Selling narcotics (illegal drugs)

Yingin' ain't easy, but its easy money

Yingin' by Sweet Crimson August 19, 2010

Ying

The act of selling narcotics (illegal drugs)

I ying to make money cause a 9 to 5 ain't suited for me

Ying by Sweet Crimson August 19, 2010

Undercover's 

Undercover cops, plain clothes police officers

I saw some undercover's on the avenue, so heads up

Undercover's by Sweet Crimson August 19, 2010