Road Cones is when a women has enormously large breasts and they are shaped in the form of traffic cones. The term is derived or found when a male or group of males walks down a street, hallway, etc. and they see a women who is gifted with the present of "Road Cones" They stop in their tracks as if they have just walked about a construction site.
1) May be due to a wrong shaped bra.
2) Spending too much time in the geometry class room.
3) Losing a fight with the household cleaning appliance........ "THE VACCUM!!"
Dude check out the Road Cones on that Lady. I would love to enter in on her construction site.