pick up (your) marbles (and go home/leave)

American

to suddenly leave an activity you have been involved in with other people, because you do not like what is happening.

If you don't like the way we do things around here, well, you can pick up your marbles and leave.

• be at each other's throats
• be at half-mast
• beat hands down
• be a thing of the past
• beat hollow
• be at home
• be a thorn in flesh
• be a thorn in side
• be a thorn in someone's flesh
• be a thorn in someone's side
• be a ... through and through
• Beat it!
• beat it
• be at it hammer and tongs
• be at loggerheads
• be at odds
• be at odds with
• be at odds with something
• be a tough act to follow
• be at pains
• be at pains to do something
• be at peace with the world
• be at sea
• be at sixes and sevens
• beats me