shit | SH-it | vulgar slang verb ( shitting ; past and past part. shitted or shit or shat | sh at|) [ intrans. ] expel feces from the body. • ( shit oneself) soil one's clothes as a result of expelling feces accidentally. • ( shit oneself) figurative be very frightened. noun feces. • [in sing. ] an act of defecating. • a contemptible or worthless person. • something worthless; garbage; nonsense. • unpleasant experiences or treatment. • personal belongings; stuff. • any psychoactive drug, e.g., marijuana. exclamation an exclamation of disgust, anger, or annoyance.