la hablar de tiempo - When you're too lazy to say goodbye, so you make up some non

When you're too lazy to say goodbye, so you make up some nonsense about time.

'I'm not leaving, I'm just doing la hablar de tiempo.' He didn't even look at me.

'She said 'la hablar de tiempo' and left. I still don't know what that means.'

'He used la hablar de tiempo as an excuse to skip lunch. Classic.'