grinscale
nounUK /ˈɡrɪnskeɪl/
US /ˈɡrɪnskeɪl/
A grinscale is a fun way to measure how big a smile is.
The baby's grin was so wide it broke the grinscale.
OTHER MEANINGS
2. A chart used to rate how happy someone looks.
The teacher used a grinscale to check the class's mood.
3. A playful term for a big, toothy smile.
He flashed a grinscale that lit up the room.
4. A tool for measuring the width of a grin in cartoons.
The cartoonist drew a grinscale next to the character's face.