See âonion patchâ
the space between the thighs of a woman close to the pubic region. if these thighs touch and cause persperation throughout the day, this area is potentially stinky and now called an onion patch.
look at that onion patch...i'd still hit that.
damn i went down on her after work and she had one nasty onion patch.
Jason: âHey man, did you hit that?â
Other Jason: ânaw, man, I didnât touch that stanky Ass onion patch pussyâ