No one under the age of 70 says this anymore (unless you're being sarcastic), but it essentially means "Well, of course, you're absolutely right!" So: "Wow, the economy is really in bad shape this year. "You're darn tootin'!"

Did you hear this in an old movie? The person that answered it is 100% right.

Did you hear this in an old movie? The person that answered it is 100% right.