fuckshit /ˈfʌkˌʃɪt/noun 2exclamation 1forms 1 noun2 •(slang, vulgar) Contemptible behavior, particularly that which inspires frustration.My landlord is back on his fuckshit. •(vulgar, offensive) An obnoxious person. exclamation1 •(slang, vulgar) Expresses anger or frustration. formsfuckshits