bastard

dog

clown

joker

skunk

creep

idiot

rat

snake

beast

moron

brute

brat

villain

heel

swine

fool

scumbag

boor

schmuck

louse

toad

cad

bugger

scum

nuisance

so-and-so

bounder

lout

stinker

rotter

pill

reptile

slob

hound

buzzard

cur

dirtbag

bleeder

varmint

vermin

slimeball

cretin

sleazebag

blighter

sleazeball

slime

barbarian

son of a gun

churl

sod

nerd

crud

fink

sleaze

crumb

scuzzball

savage

stinkard

chuff

loudmouth

rat fink

wretch

scoundrel

rogue

caveman

jackass

scab

dolt

oaf

lowlife

vulgarian

imbecile

scamp

roughneck

miscreant

Neanderthal

blockhead

turkey

snob

dork

ninny

booby

dope

goon

doofus

airhead

pest

insolent

nut

nincompoop

snot

schmoe

nitwit

schmo

dink

dweeb

snip

nit

half-wit

snoot

birdbrain