a view of Elizabeth Shue's side boob in a motion picture. This phenomenon is epitomized in waterfall scene from the movie "Cocktail". Shue also gets naked in Leaving Las Vegas, but that is more full frontal that a true "shueb" situation.
"Wait, wait, go back, we missed the shueb scene"
"Hey Tobias, throw in Cocktail... skip ahead to the shoob scene... that's the ticket...SHUEB!"