yakka-pow Share definition Flag Just after you've won a rap battle, you rise both of your hands above your head and in your best accent scream yakka-pow! YAKKA POW! I just rolled d6 your half-orc just got pwned d00d yakka-pow by Megatron August 6, 2003 0 0 Get merch Get the yakka-pow mug. Buy Now — $32.95 See more merch