wing nut

noun 0.847

locknut

noun 0.738

nut job

noun 0.722

lug nut

noun 0.712

nutter

noun 0.678

nut

noun 0.677

nutcase

noun 0.602

nutting

noun 0.596

nutso

noun 0.593

knucklehead

noun 0.578

screwball

noun 0.573

nuttiness

noun 0.564

nitwit

noun 0.550

wacko

noun 0.546

crackpot

noun 0.544

loony

noun 0.543

spanner

noun 0.541

pignut

noun 0.531

wrench

noun 0.526

nuthatch

noun 0.525

monkey wrench

noun 0.524

doorknocker

noun 0.521

knocker

noun 0.521

tightener

noun 0.520

nutlet

noun 0.519

lunatic

noun 0.518

nutcracker

noun 0.518

loony left

noun 0.517

knurl

noun 0.514

knotter

noun 0.513

screw

noun 0.513

fastener

noun 0.512

nut butter

noun 0.510

doorknob

noun 0.510

nailer

noun 0.510

numpty

noun 0.508

ratchet

noun 0.506

knob

noun 0.505

lunatic fringe

noun 0.504

thumbscrew

noun 0.504

crank

noun 0.502

winger

noun 0.500