screwball, orchis, bug, hybrid, drug addict, repel, abnormality, testicle, junky, revolt, behemoth, sport, gross out, megrim, bee, maniac, mutation, aberration, Lusus Naturae, ball, anomaly, junkie, fanatic, conceit, bollock, malformation, colossus, crotchet, humor, rarity, goliath, mooncalf, misfit, nut case, testis, boutade, fruitcake, whim, fancy, caprice, notion, ballock, crackpot, concern, freak out, en, whimsy, vagary, impulse, egg, giant, oddity, curiosity, disgust, abortion, usual, monstrosity, teras, crank
enthusiast (part of speech: noun)
evil spirit (part of speech: noun)
hell hound, siren, ghoul, daemon, monster, archfiend, hell-raiser, Satan, specter, hellcat, ogre, sprite, imp, hellion, nixie, dragon, hobgoblin, incubus, werewolf, spirit, beast, goblin, demon, lamia, satyr, sylph, genie, devil, vampire, succubus, gnome, nymph, dwarf
- Because the minute the Family gets wind of this, that you're writing some tell- all about Bartlett, they're going to freak. - "Syndrome", Thomas Hoover.
- Sir, she has risked her character by staying here- and I very much doubt if the world is likely to believe her own version of this extraordinary freak." - "Mattie:--A Stray (Vol 3 of 3)", Frederick William Robinson.
- " Unless he has freak business hours, as you and I do," I put in. - "The Gold Bag", Carolyn Wells.