Sexual intercourse in which the testicles slap against other body parts in an especially wanton, floppy manner. Almost always accompanied by loud fleshy slapping noises, sweat, and grunts.
Boy: Ayo gurl wanna engage in some Slappity Bollocks?
Girl: Always! Bollocks be mad slappity yo.
A slappityslapslap is defined as what will happen if you do not get above a 90% on any test, quiz, or other such things. A friend of yours will slappityslapslap you if you do not get above a 90%. This is an incentive to pass your tests.
Used to describe a meal, drink, or food item of any sort that absolutely slaps. Originated in Paris, France. But is used widely across the world to describe how much something slaps.