Kelsier punching Hoid meme

What does the black symbol in Hoid's hair mean? I've seen it a lot but I have no idea what it means.

7 hours ago, Ecthelion III said:

What does the black symbol in Hoid's hair mean? I've seen it a lot but I have no idea what it means.

It's his face scrunching up in annoyance/anger. Basically used to show that.
I think?

On 9/13/2017 at 5:00 AM, Ecthelion III said:

What does the black symbol in Hoid's hair mean? I've seen it a lot but I have no idea what it means.

http://tvtropes.org/pmwiki/pmwiki.php/Main/CrossPoppingVeins

heheh kelsier already decked preservation and ati it was about time he got around to hoid too