the end of the game is signalled by large amounts of laughter caused by detentions to one student
cava:ok you start
teacher: CAVA detention
Girl #2: Alright but im no going first though.
Girl #1: *whispers* fuck
Girl #2: *whispers louder* fuck
Girl #3: fuck
Girl #1: FAAHHH-k
Girl #2: FUck
Girl #3: FUCK
Girl #1: FUCKK!!
Then they get told off by the teacher or by the librarian, to their secret pleasure.