disagreeable person

unpleasant person

persona non grata unwelcome person

aggravator alienator anathema annoyance arriviste asshole barbarian bastard bellyacher bete noire bitch boor bore bum churl cocksucker cold fish common scold complainer crank creep critic crosspatch crumb crybaby cunt cynic demon devil dickhead dirt ball dirty dog disagreeable woman dullard egoist egotist faultfinder fiend flouter git Goth grabber grouch grumbler grump incubus insect jeerer joker louse lowlife moaner mocker monster mother fucker motherfucker nag nagger nouveau-riche nuisance ogre oppressor pain pain in the neck parvenu pawer peasant pharisee pill prick prig prima donna prude puke puritan rat rotter scoffer scold scolder scorner scum bag selfish person shit skunk sneak sneerer sniveller snob snoot snorter snot so-and-so SOB son of a bitch spook squawker stinker stinkpot swellhead tike turkey tyke unpleasant woman upstart vulgarian weirdie weirdo weirdy whiner whoreson worm