Scare or get scared.
Here, we have Grantland's Jalen Rose discussing five current NBA players who he (or anyone) wouldn't want to get on the wrong side of. More or less, this is the justice league of appearing to be really threatening.
Following his "All-Dark Alley Team," Rose theorizes that certain members (read: Perkins) have perfected the permanent scowl to the point of instilling fear in journalists, thus ensuring that nothing bad is ever written about them. Now THAT is what we call letting your game do the talking.