beast mouth

That weird uncanny valley way that MrBeast has his mouth open in literally every thumbnail of his videos. Neither a gape of surprise nor laughing, or anything a real human would do except when …

B: Dude, why is Jerome in the hospital with a throat injury?
A: He *begged* me to deep throat my cock! He literally gave me *beast mouth*!
B: OK, in that case I get it. ^^