Over-the-top (adjective)

1. Excessive, extreme or excessive in a way that is not appropriate or necessary.
2. Going beyond what is considered normal or acceptable.

Origin:

Derived from the phrase "over the top" which means "exceeding or going beyond what is reasonable or appropriate".

Examples:

1. The new movie was over-the-top with its special effects.
2. The party was over-the-top with its decorations and entertainment.
3. The proposal was over-the-top and not taken seriously.
4. The bride's dress was over-the-top, covered in diamonds and pearls.
5. The car's features were over-the-top, including a built-in hot tub.