me and my friend were playing tg in one of the hotel rooms but then like a random thing shown up at one of the windows and like was outside of it and it noclipped into one of the walls and dissapeared. is this a easter egg or is my friend pranking me? i need anwsers.

Edit: me and my friend were also in 2 players and we were sitting tg in one of the rooms. he didnt noclip out of it.