ESAD Share definition Flag an acronym used to quickly tell someone to leave you alone and go away, taken from the first letter of each word in the phrase Eat Shit And Die. Person 1: You are working to slow.Person 2: ESAD!!Person 1 walks away feeling hurt or rejected. ESAD by Fritzy30 November 21, 2011 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