darkboys 

really dark shades perferably black

i rocked my darkboys wit dem new bos i got.

darkboys by Coonfox October 13, 2006

Dark boys 

In the southern United States, primarily in Florida its a slang term for very dark tinted windows.

"Damn, that looks like the police wit dem dark boys."-Niggas on the block

Dark boys by TJ Gage May 12, 2008