Mysterious hands that grab onto a person and their soul to take them to the afterlife after looking backwards in the Ghost Girl's Alley in JoJo's BizarreAdventure Diamond is Unbreakable.
After being decieved in Reimi's alley, Koichi looked back to see mysterious grabby hands that dragged him and his stand away.
When someone has no judgement on how many drinks/drugs they should have so they just keep grabbing for more, eventually taking too much & regretting it.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"