Happens when an individual takes an image of themselves and a helicopter is involved in some capacity - in a helicopter, posing next to a helicopter, flying the helicopter... to show how ballin' they are
"Who's taking the chopper out today, daddy had it yesterday?"
"Me darling"
"Oh don't forget to take a Helfie today for the gram"
"Off to Dubai next week on a helicopter tour of the city"
"YOU MUST GET A HELFIE"
"Look a helicopter Mo"
"Quick Vix, let's get a Helfie and pretend it's ours"