grimace /grimˈəs or gri-māsˈ/

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

To make grimaces

grimˈacer noun

• breechblock
• breechblocks
• breech deliveries
• breech delivery
• buff-tip moth
• buff-wheel
• buff-wheels
• bufo
• bufos
• bufotenine
• bufotenines
• buftie
• bufties
• bufty
• bug
• bugaboo
• bugaboos
• bugbane
• bugbanes
• bugbear
• bugbears
• bug-eyed
• buggan
• buggane
• bugganes