It is sort of like the "that's what she said" jokes. You say it in response to someone saying something that may soun weird out of context. It's only known reference is in the Netflix movie Wine Country.

The beginning sentence of a bad pun.

It's the meme that high school freshman use when someone says something fucked up/

dont cheat and look up my tinder jokes...

Everyone’s most common question is probably “What does the fox say?” and here is your answer.

The song only true Chad's listen to

When you're put in a awkward position with nothing to say so you laugh and sing, "what the fuck I'm s'possed to say" as you're walking away, quietly add the ay ay ay"

Credit to boogie wit da hoodie- say A'