f around - When you don’t know the answer, but you still tell someone t

When you don’t know the answer, but you still tell someone to find out on their own because you’re too lazy to help.

'I don’t know the password. Figure it out, f around.'

She told me to go ask the teacher instead of telling me the answer. That’s f around.

He said, 'Find it yourself, I’m too lazy to help.' That’s f around.