mastodon.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
The original server operated by the Mastodon gGmbH non-profit

Administered by:

Server stats:

336K
active users

Or, as Americans are so fond of saying: "Yippie Kay Yay, Motherf*ck*rs!"

@ParadeGrotesque
To be fair, it was only ever one American, John McClane (Bruce Willis).

Also, I have no idea what the first bit means.

@fitheach @ParadeGrotesque I always understood it as a variant on e.g. "yippie-aye-aye" in "She'll be coming round the mountain".