creepify

verb2

1. •
   (informal) To make creepy; to make annoying, unpleasant, or mildly threatening.

   • Singer Layne Staley’s dark words further creepify Alice’s sound. — 1993
2. •
   (informal) To creep out, to give (someone) the creeps.

   • But the Gun Dude ends up creepifying me when he tells me to hurry because, ever since the gun ban, the assault weapons have been "selling like hot cakes." — 2002