Definitions by Geeface.

Geeface 

The stern facial expression one uses in order to not show weakness. Geeface is often observed in group photos where all but one person is smiling.

That guy with the Geeface must be the Alpha in the group.

Geeface by Geeface. September 19, 2017

geeface 

To look as unhappy as humanly possible in a photo (yet being the happiest person in the world).

For this photo, let's all do the Geeface.

geeface by Geeface. September 17, 2017