boo-sick Share definition Flag It's like when you are homesick but you are boo-sick when you miss your boo/significant other If you are in a long distance relationship or just haven't seen your boo for a long time you become boo-sick. boo-sick by Kimboslice122 October 5, 2011 0 0 Get merch Get the boo-sick mug. Buy Now — $32.95 See more merch
