a head up - A head up is when someone tells you what's coming and it's n

A head up is when someone tells you what's coming and it's not going to be good.

I got a head up when my mom said, 'If you don't clean your room, you're not going to the party.'

He got a head up when his friend said, 'You're going to get suspended.'

She got a head up when her brother said, 'I'm coming to your house with my friends.'