yo papa Share definition Flag Term used to downgradingly define the person that owns or pwns you. Don't even try to start shit with me dawg, I'm yo papa. yo papa by Jeff November 30, 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