‘Bet’ is a slang term commonly used in informal conversations to express agreement, confirmation, or understanding. When someone proposes a plan or suggestion, responding with ‘bet’ indicates agreement or acceptance of the proposal. Similarly, if someone explains something to you and asks if you understand, replying with ‘bet’ confirms that you do. 

Additionally, ‘bet’ can be used to convey confidence or assurance about a situation or task. Overall, ‘bet’ serves as a casual and informal way to communicate agreement, confirmation, or assurance in various social contexts.

Example

For instance, if someone questions your ability to handle a task, responding with ‘bet’ signifies your confidence in your capabilities.