That is indeed part of the joke, the never shutting up this song, the neverending meme. Unless you mean myself? As a matter of fact, it's often that I'm told to shut my trap. I wonder why is that? It's as such I would ramble on and on and on.

[He's absolutely being obnoxious on purpose and loving it.]

But filling your request, here is the chorus:

[Please hold on. Loki rewinds the song a few seconds, as they spoke over the lyrics.]

♫ --ke you understand

Never gonna give you up, never gonna let you down
Never gonna run around and desert you
Never gonna make you cry, never gonna say goodbye
Never gonna tell a lie and hurt you ♪