Stickle Bush is the physical nature of a female never washing the sperm residue from her vagina causing it to harden and crust. Reasoning of this behavior is the lust of a love one to the of losing him. Issues with allowing this to happen may result in sealing the vagina up completely and problems with their monthly gift.
Boyfriend:"Dude, I wasn't able to get a piece of tail again last night."
Friend: " What, is she not putting out?"
Boyfriend: " No the crazy b!+€h has a stickle bush."
Friend: " That's $h!+¥ man."