Originally acronym for "Just
Spit My Chai
Tea Latte Over My Planner Laughing So Hard", Jizzumsplash is commonly used during text messaging to describe an event that was so funny, it caused the reader to
spit their Chai
Tea Latte out all over their academic planner they were laughing so hard.
Began at American University in October
2010 as "JSMCTLOMPLSH", it quickly evolved into a word that was easier to type and much easier to say. It is now used commonly throughout the campus as a quick way to tell someone, "You are fucking hilarious."
Can also be used as a noun to desribe an extremely funny event.