Expressionless Face Emoji: Also Known As, Face With Straight Mouth, Inexpressive Face, Straight Face, Poker-Faced.
A Face, eyes and mouth closed and straight.
Expressionless: Not showing what someone feels, thinks and consciously impassive or expressionless.
Often used to express “No Comment” or feeling uninterested about whatever it is you’re deliberating with your friends.
* Approved as part of Unicode 6.1 in 2012.
* Added to Emoji 1.0 in 2015.