tear (your) hair (out)

to be extremely worried or upset about something.

I got my new tax bill and decided I could tear my hair or move, so I've decided to sell and move.

Companies are pulling their hair out trying to decide how to deal with these new regulations.

• pick up the threads of something
• pick up your marbles
• pick up your marbles and go home
• pick up your marbles and leave
• pick way
• pick your way
• pick you up
• picture of
• picture of something
• picture-perfect
• piece of cake
• piece of the action
• piece of the pie
• piece together
• piece together something
• pie in the sky
• piggy in the middle
• pig in a poke
• pig out
• Pig's arse!
• Pigs might fly.
• pile it high and sell it cheap
• pile on the agony
• pile them high and sell them cheap
• pile up