Aintrium Share definition Flag When someone uses an inappropriate part of their home as an atrium, such as a bathroom. Pete: Did you use the bathroom already? Dan: No! There was too many damn plants in the way... nice AINTrium! Aintrium by Katya Eye September 23, 2014 0 0 Get merch Get the Aintrium mug. Buy Now — $32.95 See more merch
