blocka Share definition Flag The sound made by a "nine" when being used to "pop a cap" in ones rear end. Also associated with splitting wigs. - blocka blocka! - OW! MY ASS! blocka by bitchnigga October 20, 2003 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