In english "cold chest". The term pecho frío refers to a person who does not "feel" the shirt, who does not play with passion, with warmth. When we talk about a "pecho frío", we are talking about a player who does not leave everything for his team.
Pechines, When a penis tastes of cheese, or when your penis has a cheesey texture.
Also has the meaning of he dick tasted like shit and makes you wanna throw up.