The Brief: The "knock on fake glass" TikTok trend consists of creators performing a sequence of fist pounds on imaginary glass.

Bluesquiggle
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TikTokers are pretending to knock on fake glass as part of a new trend. Typically, creators perform a sequence of fist/palm pounds against a glass window, before revealing the window is actually open and there isn’t any glass. Another form of this trend sees creators simply pounding their fists against the air, nowhere near a window. The trend became popular in early February.

These videos are performed to “Chapter 1’s Main Theme (Extended)” from the Corpse Party: Blood Covered video game soundtrack along with a voice saying, “That’s some bullsh*t.”

@kategreen_04

#ItWasntMe #DoritosFlatLife #TurboTaxLivePick6 #greenscreen #GetReadyWithOldSpice #ThisorThatSBLV

♬ Berleezy thats some bs – kay

@ling358.03

πŸš—πŸš—πŸš—

♬ Berleezy thats some bs – kay

Memes have also emerged in which creators pound their fist to show their frustration with a situation described in their on-screen text.

Dating:

@allie.bawse

♬ Berleezy thats some bs – kay

Phone storage jokes:

@knife.goblin

Had to delete Spotify to make this one πŸ˜”

♬ Berleezy thats some bs – kay

Employment:

https://www.tiktok.com/@jaky__garcia/video/6926932325737499909?_d=secCgYIASAHKAESMgowwFtS0SnGw33vI99zEimNFkpDYPgebi2bX%2Brzp6a7FXioHEBWM42HPY3qBDZEuJbPGgA%3D&language=en&sec_user_id=MS4wLjABAAAADct_ib0QHkDWnpIK7jUNX_6nQECQMKbrJaCI4UfEsZoahcaLmJByTUpFXY5rahx3&share_link_id=A333E226-8233-439E-BA37-4E073F5B743D&share_music_id=6925791402945284870&tt_from=copy&u_code=d49h00i6359ab3&user_id=6649410803609911302&utm_campaign=client_share&utm_medium=ios&utm_source=copy&source=h5_m&is_copy_url=0&is_from_webapp=v1&lang=en&sender_device=pc&sender_web_id=6925834961185490438

There’s also an ongoing challenge about whether the trend begins with a fist or a flat palm.

@jay_nhg

#foryou #fy #fyp #explore #foryoupage #explorepage #fyi #foryoupageofficiall #foryouu #viral #fake #window #mime

♬ Berleezy thats some bs – kay