1. if a person or a company is flying high, they are very successful.

The company was flying high as a maker of personal computers.

2. to be very excited or happy, often because of the effect of drugs.

The guy was on drugs - flying high and scaring everyone around him.

When the winter Olympics came to Canada, the whole country was flying high.

• There's a time and a place.
• There's life in the old dog yet.
• There's many a slip twixt cup and lip.
• There's many a true word spoken in jest.
• there's method in madness
• there's method in someone's madness
• There's more than one way to skin a cat.
• there's much to be said for
• there's much to be said for doing something
• there's much to be said for something
• There's no accounting for taste!
• there's no law against
• there's no law against doing something
• there's no law against something
• There's no peace for the wicked!
• There's no rest for the wicked!
• There's no smoke without fire.
• There's no such thing as a free lunch.
• there's no telling
• there's nothing to it
• There's nothing to it.
• There's no time like the present.
• There's no time to lose.
• There's no two ways about it.
• There's one born every minute.