Cump Share definition Flag A word originating in Hoboken NJ as a shortened way to say companion. What’s up cump? Cump by OGHoboken October 27, 2017 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