The head honcho American US informal noun phrase slang
Used to indicate the person in charge or the boss.
Why don't you ask the head honcho for a raise?
Who's minding the shop while the head honcho is abroad?
The head honcho is always thrusting his opinion upon everybody.
Being looked after or protected by someone
It is used to tell someone that it is time for them to take action or make a decision.
If something falls (squarely) on someone’s shoulders, it is the responsibility that one have to take.
To give someone a particular responsibility or duty
This expression is derived from the Japanese word hancho, which means 'group leader.'
Someone or something that is very boring
I don't think I can make friends with him. He is a crashing bore.