Wabaloo Share definition Flag You call someone a wabaloo when they are doing something silly, or you are joking with them. Look at him, that wabaloo is wabalooing around the basement eating Cheerios as he walks in circles. Wabaloo by Xylophoned January 10, 2022 0 0 Get merch Get the Wabaloo mug. Buy Now — $32.95 See more merch