In short, stacking sats is another way of saying "accumulating Bitcoin".

Let’s break it down:

The meaning of "Stacking" is pretty straight forward, it obtaining something.

"Sats" is an abbreviation for "Satoshi", which is the smallest unit in Bitcoin.

When combining both words, we have a memeable phrase that is a synonym for dollar cost averaging Bitcoin, since it means purchasing small amounts of BTC on a regular basis.

Origin of Stacking sats Although the phrase originated from an individual in the Bitcoin community, it is now very actively used by Lolli, an app to earn rewards in Bitcoin.

The company went as far as trademarking the term.

If you want to check how "Stacking sats" would have performed as an investment strategy over the years,