The triangular balloon of fat between the belly button and privates that obesewomen and men display, especially when wearing tight pants, camel toe inclusive. It's not hot.
You: What the hell happened in your math class!? I could hear the sound two doors down, thought there was a fight.
Me: That was the sound of my professor's coffee smashing on the floor. She turned to explain something too fast and knocked it over with her crotch pocket.
When you take a hot pocket and vigorously use it as a dildo for a girl, And due to friction it heats up. When it reaches the level it's hot on the outside, yet still frozen on the inside, then the man eats it, soggy and Luke warm.
The best type of crotch pocket is a pepperoni one, because the vaginal juice really accents the zeztiness.
The extra bit of material in guys' pants that allows wiggle room for their crotch. The crotch pocket is often evident in guys pants when folded in the middle. Girls' pants often do not have the crotch pocket, which is why guys will have to "tuck it in" when wearing them.
"Dude, these jeans have such a huge crotch pocket. I feel so free."