Thesaurus

Synonyms for Snot-nosed include:

arrogant, Augean, beaming, bedraggled, befouled, begrimed, bespattered, besplashed, big, bigheaded, black, boastful, braggart, bragging, braggy, buggy, chesty, cobwebby, cock-a-hoop, conceited, crowing, dignified, dingy, dirty, dirty-faced, disdainful, draggled, dust-covered, dusty, egotistic, egotistical, faecal, fecal, feculent, filthy, flyblown, foul, fouled, glorious, gratifying, greasy, grimy, grubby, grungy, haughty, house-proud, illustrious, immodest, impure, lordly, lousy, maculate, mucky, muddy, nasty, oily, overproud, persnickety, pleased, prideful, proud, proud of, purse-proud, ratty, raunchy, redoubtable, respected, scummy, self-aggrandising, self-aggrandizing, self-conceited, self-important, self-respectful, self-respecting, shabby-genteel, smudgy, smutty, sniffy, snooty, snot-nosed, snotty, soiled, sooty, sordid, spattered, splashed, squalid, stuck-up, supercilious, swaggering, swelled, swollen, swollen-headed, too big for one's breeches, travel-soiled, travel-stained, unclean, uncleanly, unswept, untidy, unwashed, uppish, vain, vainglorious

snot-nosed is a ADJ.