flatulator alligator Share definition Flag A person known for having extremely smelly and loud farts. Variant on "Catch you later, alligator!" Jeez, Rory's one hell of a flatulator alligator! flatulator alligator by Macavity October 31, 2003 0 0 Get merch Get the flatulator alligator mug. Buy Now — $32.95 See more merch