Go to any Walmart and look at who parks in the handicapped spaces. The people you see will be fattycaps. They should give them special spots at the back of the lot so they can walk off their fat asses.
They are also given the fattycapped scooters so they don't have to walk around in the store.
A person, typically seen in and around malls (and WalMarts) in the suburban United States, so obese that they "earn" a handicapped permit for their car, and the parking privileges that come with it, at the expense of the truly challenged. Fattycapped people often get around in motorized wheelchairs likely paid for by health insurance because they are so huge they can no longer walk. This "disease" is often blamed on "genetics," yet is rarely seen outside the US where all genetic types are represented.
"Look at that poor person in the wheelchair pre-boarding the airplane."
"Don't feel sorry for her, she's fattycapped. See? She just got out of the chair and is walking down the aisle where she will get two seats for the price of one."
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?"