What is the meaning of "fly in the ointment"?

The meaning of "fly in the ointment" is:

a minor problem that spoils something

What is the definition of "fly in the ointment"?

The definition of "fly in the ointment" is:

a minor problem that spoils something


"fly in the ointment" means

a minor problem that spoils something

Example Sentences:

A: Did you have a good day at the beach?
B: It was all right. There was a fly in the ointment, though. Some teenagers there were being noisy.
A: I hate teenagers!

The only fly in the ointment during our whole vacation was when our flight was delayed.

Media:
fly in the ointment