the region on the female body where the breasts meet creating a deep trench or cleavage that is pleasing to the male eye thus evoking a pleasing feeling leading to an erection
jimmy: help me come up with the schemantics to convince my dad to help us build a dirtbike ramp, my main broheim
toby: yea man, it'll be way far out. but we gotta scheme up a way to keep him thinking its for a science project so we dont get in trouble!