Tadger Share definition Flag Noun. A penis. Variant of 'todger' The poor kid got his wee tadger caught in the zipper of his pants! Tadger by Dick Wright-Upham November 20, 2010 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