Fall, the season and fall down.
“It’s fall, my favorite season.”
“Don’t walk where it’s wet, you will fall.”
E.Hyperbole
The water was not literally freezing. A hyperbole is a figure of speech that exaggerates something, in this case the use of a hyperbole exaggerates how cold the water is.
Answer: A person's sense of self-esteem or self-importance.