primitive neanderthals 
brutes 
louts 
loutish 
brutish 
prehistoric 
unintelligent 
witless 
brainless 
buffoons 
jackasses 
dumbasses 
ignoramise 
old fuddy-duddy 
twerp 
dingleberry 
dingleberries 
runt 
sally 
nancy boy 
dildo 
varmint 
hopeless cause 
fuckass 
fuckhole 
fuckface 
shitwad 
fuckwad 
shithole 
shithead 
fuckhead 
piece of fucking shit 
piece of scum 
scum slinger 
tub'a cum 
tub'a lard 
dead duck 
dirty double dealing no good low down skunk 
sour pickle 
thorn in my side 
Brown noser 
silly goose 
scoundrel 
hethen 
butterball 
porker 
porky 
spineless wimp 
smart ass 
hoser 
poser 
candy ass 
loony 
loopy 
nincompoop 
chicken-livered 
yellow-bellied 
snivelin 
belley crawlin 
gutless 
good for nothin 
low down 
atrocious 
hideous 
pecker 
pond scum 
malevolent