air cushion

noun 0.591

seat cushion

noun 0.586

cushion

noun 0.586

whoop

noun 0.561

fart

noun 0.549

pouf

noun 0.547

bubble wrap

noun 0.539

laughing gas

noun 0.531

butt plug

noun 0.529

cush

noun 0.523

squishy

noun 0.518

soap bubble

noun 0.518

whistle

noun 0.515

water balloon

noun 0.515

bum

noun 0.514

gasbag

noun 0.512

whooper

noun 0.511

pillow

noun 0.509

puffer

noun 0.506

inflatable

noun 0.503

flatulence

noun 0.502

puff

noun 0.501

flatus

noun 0.500

toilet paper

noun 0.500