Comes from the word: Evince, which means express.

Evincement: The act of evincing or proving, or the state of being evinced.
"Heyday! but here is an odd evincement of gratitude!" He said..
by kaaafg May 4, 2011
Hes blacker than mantablack hes hidden even in plain daylight hes the black nigger assassin.
by Gustavo9284 November 7, 2018
Something a millionaire gunfighter might say when in a drug-induced stupor.
My landlord is evincing me.
by Buck Bison August 24, 2006