geeky, dweeby, nebbishy, dorky, bookish, doltish, curmudgeonly, neurotic, ambitionless, brainy, elfish, misanthropic, gawky, slacker, supercilious, foppish, smug, genial, idiot savant, unassertive, humorless, pudgy, smarmy, impish, bumptious, avuncular, lunkheaded, boyish, incommunicative, goofy, lumpish, dopey, dweebish, youngish, crotchety, dimwitted, pompous, guileless, oddball, eccentric, unlikeable, insouciant, oafish, droll, diffident, eager beaver, adenoidal, affectless, somnambulistic, unprepossessing, professorial, asocial, straightlaced, mousey, hangdog, pervy, peevish, pimply, charmless, goony, brattish, moony, dislikable, weaselly, dyspeptic, grumpy, neurasthenic, priggish, insufferable, archetypal, slobbish, scatty, cocksure, sociopathic, goatish, smirky, smart aleck, autodidactic, puppyish, clueless, endearing, effete, amiable, owlish, airheaded, dandyish, bespectacled, tweedy, sullen, gnomish, inexpressive, skirt chaser, glib, taciturn, introverted, debonair, urbane, kooky, portly, ish, prankish, solipsistic