rump /ˈɹʌmp/verb 5noun 4forms 3 verb5 •(slang, vulgar) To fuck. (Compare bum (verb).)Rodrigo had also set eyes on a woman at court but I doubt he was rumping her in the hay, like I was with Maria. In Rodrigo's case, it was more a sort of teenager fascination of the unobtainable. — 2014 •To move (someone or something) around.So he held Jody and she drank half and then he rumped her up on his shoulder and patted her, the way his mom did. — 1983 •To ramble; to move (or talk) aimlessly.[…] Mr. Turner. Mr. Speaker, the gentleman from Allegheny has been rumping around for several minutes and I think I ought to have a chance to rump a little bit. — 1942 •To turn one's back on, to show one's (clothed) backside to, as a sign of disrespect.Soon afterwards, meeting the lecturer, whom he had been previously in the habit of greeting with great courtesy, the Duke looked him fairly down, and then rumped him without mercy. — 1850 •(UK, slang) To cheat. noun4 •The hindquarters of a four-legged mammal, not including its legs •(informal) The buttocks. •A remnant, as in Rump Parliament. •A cut of meat from the rump of an animal. formsrumped · rumping · rumps