burp, belcher, flatulence, belch, geezer, gits, barf, poo, bunghole, eww, cumming, retch, boop, pfft, chicky, swearword, fiddlesticks, twat, pish, nellie, nicker, oink, chuff, phlegmy, puke, stiffy, baa, codger, pee, whatchamacallit, ewww, chortle, dick, pillock, douche, halfwit, flamer, burd, crap, perve, stink, bleep, tinkle, ponce, shrieker, whinny, tutting, whatcha, gibber, madd, twit, doob, jabba, shh, nutbag, simp, mewl, heinie, doody, muggins, idiot, tonguing, thingy, cretin, umm, tokin, hiss, hmph, clodhopper, whine, caramba, cobber, fuckwit, knacker, snigger, wheeze, rotter, berk, fogy, diddley, ickle, cackle, weiner, shmuck, giggle, bollock, moron, vader, shriek, butthead, sneeze, clap, snore, splash, bang, lick, lie, suck, yawn, bloke, bump, crow, dam, gamble, puff, rap, rooster, smack, part, appendix, sec., preface, chapter, fable, iv, pabt, plate, postulate, supplement, argument, canto, curve, ii, principle, sect, section, topic, vi

act involuntarily, act reflexively, physiological reaction, reflex

break wind, breaking wind, farting, flatus, wind