This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
Burger is round, sandwich is elongated.
Sandwich is rectangle, sub is elongated
I’ve had long burgers and radially symmetrical non-burger sandwiches. A hamburger is defined by the minimum of a patty and a bun.