"You bet!” (3)
'you bet' is the definition.
(synonyms)
This is all the clue.
(Another definition for and how that I've seen is " Certainly".)
'you bet' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for yes that I've seen before include "Affirmative reply" , "I agree" , "Oui" , "Yea" , "Of course" .)
(Other definitions for yep that I've seen before include "Positive reaction" , "informal approval" , "Correct" , "Affirmative (US colloq.)" .)
(Other definitions for not at all that I've seen before include "Never!" , "acceptance of apology" , "By no means - polite disclaimer" , "Anything but!" , "Don't mention it!" .)