tropical bonestorm Share definition Flag a boitsterous sexual act lasting for an extended period. refers to the sexual connotation of being "wet." Rob and his girlfriend were so loud last night, it sounded like Tropical Bonestorm 2009 in there. tropical bonestorm by MadCat11 May 8, 2009 0 0 Get merch Get the tropical bonestorm mug. Buy Now — $32.95 See more merch