What is Smooth Criminal?
1.
When someone you work with is secretly watching porn on his computer and spanking his monkey under the desk without getting caught.
Hey Sgt Jones the CG didn't even see you looking at that dude on dude gay animal porn at work yesterday. You smooth criminal!!!!!!!
See
2.
A booger that obviously protrudes from the nose, so that everyone can see it.
Also known as a
Hey AJ is Annie okay?
No man, you've been hit by a huge smooth criminal.
Shit, thanks man.