the world > life > the body > external parts of body > head > face > face with expression or expression > [noun] > without expression or expressionless
muffin face1777
mask1795
muffin countenance1823
poker face1874
dead-pan1933
po-face1965
1823 Spirit of Public Jrnls. (1825) 53 The muffin countenance of the renowned Sancho Panza.