Best definition
v. zombified, zombifying, zombifies
To cause to become a zombie.

If a drop of zombie blood falls in your eye or on an open wound on your body it will zombify you.
zombify: define #2
Zombify, sense 1, to say a word or phrase in that deep, ghostly, slow, and evil tone in wich zombies talk.

Sense 2, to slow something down DRAMATICALLY.
I love when people zombify my favorite words.

I was listening to 2 different versions of the old Scottish folk song “comin’ through the rye” and one person sang it fast, but another person zombified the tempo.
zombify: define #3
to treat somebody, especially a worker or staff, as a machine.
In the past, factory owners used to zombify their workers.