sirloin Share definition Flag When a woman is extremely good-looking but not quite among the best (This is a slang term used by men with minds in the gutter ) A hot chick you would like to see on the beach . sirloin by Hef June 30, 2005 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