lunkhead
Thick-skulled simpleton
A lunkhead is a stupid or slow-witted person—someone whose head might as well be a lunk of wood.
The word is mildly insulting but usually affectionate or exasperated rather than cutting: Don't be such a lunkhead, just read the instructions.
Stupid or foolish person
nincompoop · airhead · nitwit · dullard · thickhead · chucklehead · chowderhead · meathead
Stupid clumsy person
Foolish, inept person
- numptyClueless or inept person
- putzFoolish, worthless person
- dingbatDecorative printing symbol
- dingusPlaceholder for unnamed objects
plonker · wally · nimrod · dumbo · drongo · bozo · galoot · goofus
Befuddled, foolish person
- clodpateArchaic term for fool
- sapheadFoolish, gullible person
- muddleheadChronically confused person
- rattlebrainFlighty, disorganized person
mooncalf · noddy · noodle · loggerhead
numbskull
Stupid or foolish person
simpleton · nincompoop · airhead · nitwit · dullard · thickhead · chucklehead · chowderhead · meathead · pinhead
oaf
Stupid clumsy person
galoot · klutz · lout · gawk · boor · bumbler · hulk · ape · gorilla · ox
doofus
Foolish, inept person
dingus · plonker · wally · nimrod · dumbo · drongo · bozo · galoot · goofus · goober
addlepate
Befuddled, foolish person
- clodpateArchaic term for fool
- sapheadFoolish, gullible person
- muddleheadChronically confused person
rattlebrain · mooncalf · noddy · noodle · loggerhead
dumbass
Vulgar term for fool
lunkheadgenius
Person of rare brilliance
brain · intellectual · mastermind · brainiac · wizard