umbrakinesis 

the kinetic ability to create & manipulate shadows & darkness

Raven from Teen Titans has umbrakinesis.

umbrakinesis by Muffin Kaleidoscope Sex Bunny January 11, 2008

Umbrakinesis 

A rare disease where you break a knee, sis with someone saying uhm before it.

Tom: I got bit by a zombie
Jerry: Umbrakinesis

Umbrakinesis by knee hurting :( January 8, 2021