syka-boo-boo Share definition Flag another way of saying "just kidding" or "just a joke" Did you know that my dad owns Microsoft? "He does?" Sika-boo-boo! syka-boo-boo by Richard Brockman November 28, 2003 0 0 Get merch Get the syka-boo-boo mug. Buy Now — $32.95 See more merch
