I ain't feelin it - When someone tries to get you to do something that’s like as

When someone tries to get you to do something that’s like asking for a curse in disguise.

'Let’s all go to the park on a rainy day.' I ain't feelin it.

'We should all try that new fad.' I ain't feelin it.

'We’re going to that event that’s always a mess.' I ain't feelin it.