Wipe your hands on the napkin.
Lay the napkin across your lap.
There is a napkin missing.
Cloth napkins look nicer than paper napkins, but you have to wash them after a meal.
Emmy folded the napkin in half.
Could I have napkins, please?
This project grew out of a sketch I made on a napkin at a party last year.
Pat sneezed the napkin off the table
She lifted one corner of the napkin which covered her basket and let me have a quick look.
... in the back of napkin potentially, that's a metaphor...
In the last year or so a number of people have pointed out this truly disgusting trend, that an increasing number of men are using their table napkin to blow their nose
He wiped his mouth with a napkin.
“Not to worry,” grunted Aunt Marge, mopping her face with her napkin
People usually put a napkin over their knees while eating.
Gunther had food all over his face because he didn’t have a napkin.