Absolutely, that's right. Esp. used when someone's said something that you'd obviously agree to.

Variation: darn tootin'

Used mainly in rural areas of the US.

A: You gonna watch the superbowl tonight?
B: Dern tootin'!

A: Man, that was a rough day. Wanna go get a beer?
B: Dern tootin'!
by miss maryland February 13, 2009
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