The idiom "top banana" means the most important or influential person in a group or organization. It is often used to refer to the leader or the person in charge of a team or a company.
The origin of this idiom comes from the practice of placing the biggest and most prominent banana at the top of a bunch. This banana was considered the best and most valuable one, just like the "top banana" in a group or organization.
For example, if you are talking about a company, you might say "The CEO is the top banana in this organization." Or if you are talking about a sports team, you might say "The coach is the top banana on this team."
Overall, "top banana" is a fun and informal way to describe someone who holds a position of power or authority in a group or organization.
• I am the top banana in my family, everyone comes to me for advice.
• The team captain is the top banana, and everyone follows his lead.
• As the CEO of the company, she was the top banana responsible for making all major decisions.
• The top banana of the political party is facing criticism for his recent actions.
• After years of hard work, Joe finally became the top banana in his company.
• In the music industry, being the top banana means you are the most successful artist.