second banana

banana nose

A large, unusually long nose.

banana republic

A small country, especially one in Central America or the West Indies, that is dependent on a single export commodity (traditionally bananas) and that has a corrupt, dictatorial government.

have one foot on a banana peel

To be in an unstable situation with a high risk of sudden negative change, facing difficulty, or appearing foolish.

have second thoughts

To change one's opinion, or be uneasy about a previous decision.

just a second

A short period of time, typically anywhere from a few seconds to several minutes or more.

make like a banana and split

To leave, depart.

play second fiddle

To play a subsidiary or subordinate role to someone or something else.

second childhood

The period or state of cognitive decline of an elderly person, characterized by childlike judgment and behavior.