This is the 9035th most frequent Turkish word.
tepesi
"Top" or "summit" (literal: the top of something, like a hill or head).
Here 'tepesi' is used to denote the top or peak of the mountain, representing the highest area.
Dağın tepesi karla kaplıdır.
The peak of the mountain is covered with snow.
In this sentence, 'tepesi' metaphorically refers to the temper or patience of the person, indicating emotional context.
Adam çok kızdı, tepesi attı.
The man got really angry, he lost his temper.
The term 'tepesi' in this context is used to indicate the physical location, standing on top of a person's head.