Bomb ass Share definition Flag To be extremely good or cool, amost at a godly level of cool. 1.(verb) Damn, this shit is bombass 2.(noun) Thats a bombass album Bomb ass by Carson March 1, 2004 Words you can keep railfan mug chonk mug chud mug based mug 67 mug slime mug mogging mug chopped mug thot mug glazing mug huzz mug yams mug larp mug unc mug cracked mug simp mug baddie mug bop mug lolcow mug