slang for someone who is straitlaced and decidedly not "street", someone wearing a dress shirt
Thug(addressing an upstanding citizen): Fuck off clean shirt!
by Ryan Ballard July 23, 2008
1 more definition
You know what it means by the way it makes you feel
giz a bit of your coke, you cleanshirt.
by Mark Corriggan September 17, 2008