When someone starts laughing really hard and they feel the need to slap the nearest person. Then when the person got slapped asks why they did that, they say it's a joke.
Friend 1: omg that was so funny
Friend 2: hahahaha *slap*
Friend 1: ouch what was that for
Friend 2: chilllllllll it was a joke
An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"
Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."