Six-pack (noun)

1. A package containing six cans or bottles of a beverage, especially beer.
2. A group of six muscles forming a well-defined ridge on the front of the human abdominal wall.

Origin:

Derived from the common packaging of six cans or bottles of drinks, typically beer, into a single unit.

Examples:

1. I'm going to the store to buy a six-pack of beer for the party tonight.
2. After months of hard work at the gym, he finally achieved a six-pack.
3. I got a six-pack of soda for the road trip.
4. The six-pack of beer sat on the table, waiting to be opened.
5. Her six-pack abs were the result of countless hours of hard work and dedication.