a flannel - A flannel is what you talk about when you're too lazy to say

A flannel is what you talk about when you're too lazy to say anything important, like your ex or your bad decisions.

'He just talked flannel all day, like he was avoiding his problems.'

'She said flannel instead of telling her mom she failed math.'

'They talked flannel for an hour, but it was just a way to avoid a fight.'