It's a term to describe when a co worker takes your pants home after a long day of work and boils a pot of water then strains the water throught the crotch of your pants and then drinks it.
Yesterday at work I cought Dallas trying to take my pants in the change room I am pretty sure he was going to try to make crotch tea
The extra amount of fabric that one accumulates as a result of wearing one's pants not designed to be at your hips on your hips or lower, creating a "bag" in your crotch and, thus, making your crotch look too long.
"Hey, John, look at Sarah! She has a crotch bag and a muffin top!"
def. 1: A person with an extraordinary amount of pubic hair. Or the region itself.
def 2: An elderly person's pubic region, so named due to the whiteness of the hair and its resemblance to the legendary snowman.
Yikes! Her crotch Yeti was so abominable, I thought it was going to eat me!
Whoa! The rumours were true, you are a Crotch Yeti!