Dentitationish Share definition Flag The sound that Rhianna Conley makes when laughin extremley hard. When Rhianna yelled out "I like to urintate! Ehhh." it sent her into loud dentitationish. Dentitationish by ______________ January 12, 2004 0 0 Get merch Get the Dentitationish mug. Buy Now — $32.95 See more merch