thi-boi Share definition Flag Matthias -> Thias -> Thi-boi. when in a room after copious amounts of ice cream, names lyk this are created eg soi-boi Soipers: Thi-boi set me some well gd sweets. Thias: Nah they is well good. thi-boi by Matthias July 12, 2004 0 0 Get merch Get the thi-boi mug. Buy Now — $32.95 See more merch
