grimace /grimˈəs or gri-māsˈ/

1. A distortion of the face, in fun, disgust, etc
2. A smirk

To make grimaces

grimˈacer noun

• chested
• chesterfield
• chesterfields
• chest freezer
• chest freezers
• chestful
• chestfuls
• chestier
• chestiest
• chestily
• chestiness
• chesting
• chest-note
• chest-notes
• chestnut
• chestnuts
• chest of drawers
• chest of viols
• chest protector
• chest protectors
• chest register
• chest registers
• chests
• chest tone
• chest tones