sign language, n.Definitions

Sign language is useful for the deaf but vital to the Italians.

Sign language is the least spoken of all languages.

Sign language is very handy.

Sign language is just really complicated hacks to the game of charades.

Sign language is technically the least spoken language in the world.

Sign language is the only language where you can have a conversation underwater.

Sign language is all fine and good if you're not holding anything, but if you are, it's like trying to talk with your mouth full.

Sign language is the only language that travels at the speed of light. All other languages travel at the speed of sound.