Definitions

1. noun

a colloquial expression of confidence or challenge that something is true or will happen

“She said, ‘I’m sure I left my keys at home,’ and he replied, ‘Betcha didn’t.’”

2. verb

to express confidence or challenge that something is true or will happen

“He betcha that the new movie will be a hit.”

3. interjection

an expression used to express confidence or challenge that something is true or will happen

“Betcha it’s going to rain today!”