boo-and-foo Share definition Flag A nondescript or unknown special occasion; the event equivalent of a thingamabob or doohickey. Abby and her friends are busy having their little boo-and-foo at the park. boo-and-foo by blujai831 April 21, 2024 0 0 Get merch Get the boo-and-foo mug. Buy Now — $32.95 See more merch
