Those who insist on going through the supermarket line with 12 items when the line is for 10 items or less. These are the same holes that want to pay with a check in the "Cash Only" lane.
John is an express hole, he routinely attempts to check out through the 10 items or less express lane with 12 items.
a shopper at a supermarket/ store that checks out at the express line when they clearly have more items than the maximum. this makes everyone behind them wait.
"Look at this expresshole! he has 20 items when you can only have 5 on this line!"
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.