Weird Reservation Invites

I feel like the people here are a bit abstract. Sometimes when I'm playing games, I get invites like "【Fart Reservation】Let's fart together next round~ I'll blast you away with a thunderous fart~ Pinky promise!" "【Scam Reservation】Let's go scamming in the park next round~ I'll be waiting for you~ Promise!" "【Score Deduction Reservation】Let's lose points together next round~ I'll be waiting for you~ Promise!" And many more...