informal

a situation which causes a lot of trouble for you when you start to deal with it.

Quite what we do with all the waste generated by this industry is another can of worms.

Once you start making concessions to individual members of staff, you really open up a can of worms. (= cause a lot of trouble for yourself)

• the pants off
• the pants off someone
• the parting of the ways
• the party is over
• the path of least resistance
• the patience of a saint
• the patience of Job
• the patter of tiny feet
• the pearly gates
• the pedal to the metal
• the pen is mightier than the sword.
• the penny drops
• the person in the street
• the pick of
• the pick of something
• the picture of
• the picture of something
• the pink pound
• the plot thickens
• the plot thickens.
• the point of no return
• the pot calling the kettle black
• the power behind the throne
• the powers that be
• the primrose path