Meaning of the word "top dog" in English

What does "top dog" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

top dog

US /tɑp dɔɡ/
UK /tɑp dɔɡ/
"top dog" picture

Idiom

1.

the most important or powerful person in a group or organization

Example:
After years of hard work, he finally became the top dog at the company.
Everyone wants to be the top dog, but few have what it takes.
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