to pretend to be dead or sleeping so that someone will not annoy or attack you.

I don't think he's really asleep. He's playing possum.

• feather own nest
• feathers fly
• feather your nest
• feather your own nest
• fed up
• fed up with
• fed up with someone
• fed up with something
• feed a line
• feeding frenzy
• feed someone a line
• feed someone to the lions
• not have a bone in your body
• not have a care in the world
• not have a cat in hell's chance
• not have a chance in hell
• not have a clue
• not have a dog's chance
• not have a hope in hell
• not have a leg to stand on
• not have a minute to call own
• not have a minute to call your own
• not have a monopoly on
• not have a monopoly on something
• not have a pot to piss in