Cover your mouth
Pout
Give a thumbs up
Nod your head
Grin
Wink
Grimace
Fidget
Bow your head
Point
Scowl
Shake your head
Wave
Cross your legs
Yawn
Shrug your shoulders
Cross your fingers
Fold your arms
Raise your eyebrows
Purse your lips
Bite your fingernails
Frown
Scratch your head