Yes, after their loss to the Saudis the Argentina football federation flew in ultras that they previously had banned apparently, to get the crowd going
Regarding the peniscopter - from what I've learned one should probably refrain from doing it. A player in Paraguay faced a ban for showing just a little bit of his penis during a celebration.
Definitely shouldn't bite an opponents penis either:
https://www.ladbible.com/news/sport-football-player-handed-five-year-ban-for-biting-opponents-penis-20200219
Edit: "football show penis rule" is probably one of my weirder internet searches