cuul Share definition Flag When you're too cool for the Juul, so you're Cuul. "Dude that girl is cuul." "She'd be cooler with a Juul." "Nah man, she's too cuul for the Juul." cuul by 420ihatemylife October 11, 2018 0 0 Get merch Get the cuul mug. Buy Now — $32.95 See more merch