A fat girl’s sandy vagina with extra cheese on it. A naturally occurring phenomenon, usually experienced when a fat girl gets loaded up on Alfie's Fish n Chips and then let’s some local sailor plow into her missionary 5th-base style on the beach with no towel down, kicking up copious amounts of sand into her fur-burger.
A Junior burger is a rooky in the art of threesom sexual interactions . Usualy the burger subject would be the one person/ sex (male/female) being the (burger patty) between the other 2 people (the buns)