pickled cucumber
nounUK /ˌpɪkld ˈkjuːkʌmbə/
US /ˌpɪkld ˈkjuːkʌmbər/
A pickled cucumber is a cucumber that has been kept in vinegar so it tastes sour and crunchy.
My grandpa puts a pickled cucumber next to his sandwich every day.
OTHER MEANINGS
2. A person who stays calm and does not get upset when things go wrong.
Even when the bus was late, she stayed as cool as a pickled cucumber.
3. A tricky or difficult situation that you have to deal with.
Fixing the old bike turned into a real pickled cucumber.
4. Something saved to be used later, like a backup plan.
He kept a pickled cucumber of an idea in case the first plan failed.