cad, bounder, blackguard, dog, hound, heel (verb)

someone who is morally reprehensible

"you dirty dog"

ridicule, roast, guy, blackguard, laugh at, jest at, rib, make fun, poke fun (verb)

subject to laughter or ridicule

"The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday"

abuse, clapperclaw, blackguard, shout (verb)

use foul or abusive language towards

"The actress abused the policeman who gave her a parking ticket"; "The angry mother shouted at the teacher"

blackguard (Noun)

A scoundrel; an unprincipled contemptible person; an untrustworthy person.