No, wrong, big boobs are not aerodynamic, they floop around in the wind. Boobs, like leg hair, are a drag against the wind and are not aerodynamic, leg hair needs to be shaved, for men, and boobs need to be strapped back as tight as possible with racing bras.
..... and the problem with that is....?
Yeah, but if they're big enough you can stash an extra water bottle between 'em.
Dr. Vaughn begs to differ and chooses to celibrate healthy breasts.