The Brief: The face without mouth emoji represents emptiness or speechlessness, mostly used in awkward moments or disappointing situations.

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This emoji is widely used to express instances of humility or embarrassment. When in an awkward conversation, this emoji can be used to show surprise or silence. This is great to use if you run out of words to say. The face without mouth emoji is similar to the upside-down face emoji.
Am a mess πΆ
Am a looser… π£— Em_Anπ₯ (@pagalhunyar2) May 25, 2020
WAIT Y'ALL SOLD OUT THE SOFA????? πΆ
— βββΩ π£π¨β·`β΅ ββ¬ π§΅ (@BTSPAVEDWITHLUV) May 25, 2020
So…… it wasnβt safe to eat before ? πΆ pic.twitter.com/F9vBMbMXj5
— ΰΌπΆΚα΄Ι΄α΄α΄. (@chancexclip) May 24, 2020
There's always going to be those awkward moments when you walk past someone & remember the times you once had with them.π’πΆπ€ pic.twitter.com/O4gBgPuZln
— ππ± πͺ πΈ π± πͺ πΎβπΏπ¦ (@_lesley_za) May 25, 2020