▁social ▁st igma ▁against ▁mental ▁ill ness ▁in ▁China ). ▁Now ▁the ▁word ▁is ▁used ▁quite ▁generally ▁when ▁ins ult ing ▁someone ▁whose ▁actions ▁seem ▁odd , ▁r ude , ▁off ensive , ▁or ▁in app ropri ate . ▁ ▁f ā bi ā o ▁() ▁going ▁cra zy . ▁ ▁f ā f ē ng ▁( Ch inese : ▁ 发 <0xE7> <0x96> <0xAF> ) ▁going ▁ins ane ▁ ▁bi à nt à i ▁() ▁Per vert ed , ▁devi ant , ▁ab normal . ▁ ▁But to cks ▁While ▁there ▁are ▁vul gar ▁expressions ▁in ▁English ▁referring ▁to ▁the ▁but to cks ▁or ▁rect um , ▁there ▁are ▁no ▁real ▁equival ents ▁in ▁Mand arin . ▁P ì gu ▁y ǎ n ▁() ▁or ▁p ì y ǎ nr ▁( <0xE5> <0xB1> <0x81> <0xE7> <0x9C> <0xBC> <0xE5> <0x85> <0x92> / <0xE5> <0xB1> <0x81> <0xE7> <0x9C> <0xBC> <0xE5> <0x84> <0xBF> ), ▁one ▁expression ▁for ▁an us , ▁is ▁not ▁vul gar , ▁but ▁it ▁occurs ▁in ▁various ▁curs es ▁involving ▁an ▁imper for ate ▁an us ▁ ▁s ǐ ▁p ì ▁y ǎ n ▁() ▁dam ned ▁as sh ole . ▁ ▁ji à o ▁n ǐ ▁sh ē ng ▁há izi ▁mé i ▁p ì gu ▁y ǎ n ▁() ▁– ▁literally , ▁" May ▁your ▁child ▁be ▁born ▁with ▁an ▁imper for ate ▁an us "; ▁sometimes ▁mé i ▁p ì gu ▁y ǎ n ▁() ▁is ▁used ▁as ▁an ▁ep ith et ▁similar ▁to ▁" dam ned " ▁