Fatpack
Old timey New York slang for a wallet
As Nicky left the bathroom, he reached for his fatpack as he approached the store counter
Fatpacker
Backpackers who love to eat a lot while backpacking. They are usually fat.
I am a fatpacker and I've been travelling around the world while getting fat
fatpacking
A type of adventure cycling using a bicycle with tyres three inches or wider, normally with saddle bags, frame bags and bar bags. A combination of back packing and fat biking.
I'm going on a fatpacking trip across Wales next week.
fatpacking
when you pack a bag and it is overflowing
why are you fatpacking that bag