rump

1. (transitive) To turn one's back on, to show one's (clothed) backside to, as a sign of disrespect.Examples: "And when they succeeded in forcing themselves back upon the King, who loathed them, and had rumped them, they put the Great Seal into Commission, and omitted Lord Brougham's name in the list of the Cabinet."; "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."; "When Lord Carteret and the Earl of Sunderland went to court in 1734 to pay their respects after the marriage of Carteret's daughter to Sunderland's brother, John Spencer, MP, the king turned his back upon them ('rumped' them […])."transitive

2. (somewhat vulgar, slang) To fuck. (Compare bum (verb).)Examples: "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."; "In fact I have to stop thinking about it. Because that would mean all those times I was rumping her she was only pretending. Not just faking orgasms like they can, but pretending through and through and that's a thought can make me a bit dizzy."; "Well, sort of rumping her. I had my cock pushed in between her legs, but I'm not sure if there was time to get fully inside her before I fucking shot my load. Still, it definitely counted. Or at least, it did as far as I was concerned."slangvulgar

3. (UK, slang) To cheat.Examples: "Seems this Stevie had a score to settle with some guy that had rumped him over a bundle of traveller's cheques and he thought by telling me this guy was the one that shot me I'd find him and kill him stone dead; […]"; "They'd been rumped out of half a kilo of charlie by a toeraf of a crack-head called Mad Mickey D from Bermondsey. And after he rumped them he was going round telling everybody that the Arifs were total fucking mugs. So they called him out for a drink one night, palled him up and then proceeded to get him paralytic."UKslang