Use 'sure thing' informally to show agreement or to accept a request in a friendly way.

Informal Yes

'Sure thing' conveys a positive response that you can rely on, with more certainty than a simple 'yes'.

Positive Assurance

'Sure thing' is commonly used in American English and is recognized as American slang internationally.

When describing an event, 'sure thing' means it has a high chance of happening, almost guaranteed.

'Sure thing' implies confidence in the outcome, often used when someone is very optimistic.

In business or gambling, 'sure thing' refers to a situation where success seems certain.