marrow Share definition Flag A very good looking woman, i.e., one who would be "bone material". The girl was fine. She was marrow. marrow by solidus667 February 4, 2009 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