too extreme and not suitable, or demanding too much attention or effort, especially in an uncontrolled way

I thought the decorations were way (= very) over the top. 我觉得这些装饰太过头了。

The speech was a bit OTT. 这个发言有点儿过分。

He realized he'd gone over the top with the seating arrangements. 他意识到自己在座位安排上做得太过分了。