A phrase that can be translated into the following...
1- "Yes"
2- "I agree"
3- "You sound like you know more then I do"
4- "You're wrong, but I'll make you feel better about it"
5- "If not more"
6- "You're annoying"
Example:
1- "And would you like fries with that?" You Betcha
2- "This weather could be worst." You Betcha
3- "...therefore those chemicals cannot be mixed." You Betcha
4- "Our neighbor is one of them gay guys, I think, don't cha know." You Betcha
5- "We got at least three feet of snow." You Betcha
6- "Oh my god, I was like, no way, and he was like, way." You Betcha
