on the nail (adverb) exactly: accurately, particularly
Sinonime: bedraggled, begrimed, black, contaminated, cruddy, crummy, defiled, disarrayed, dishabille, disheveled, dreggy, dungy, dusty, filthy, foul, fouled, greasy, grimy, grubby, grungy, icky, lousy, messy, mucky, muddy, mung, murky, nasty, pigpen, polluted, raunchy*, scummy, scuzzy, slatternly, slimy, sloppy*, slovenly, smudged, smutty, soiled, sooty, spattered, spotted, squalid, stained, straggly, sullied, unclean, undusted, unhygienic, unkempt, unlaundered, unsanitary, unsightly, unswept, untidy, unwashed, yucky
Antonime: inaccurately, inexactly