1. in the context of defecation.
(a) [mid-19C+] to visit the lavatory, to defecate.
(b) [1940s+] to filthy with excrement.
2. in fig. uses.
(a) [mid-19C+] (also crop) to annoy, to irritate.
(b) [1920s+] to tell deliberate lies (to).
(c) [1930s+] to complain.
(d) [1950s] to chatter.
[1930s+] to fool about, to waste time; to prevaricate.
[1940s] (US) to smoke surreptitiously in a lavatory.
[1950s] to be intimate, to be together.
[1960s+] to be doomed, to suffer a serious mishap.
[1970s+] to ruin, to make a mess of.
[1970s] (N.Z.) to stop talking, esp. nonsense.
1. [1920s+] as imper., ‘to hell with’.
2. [1940s+] (also crap over) to treat contemptuously, to victimize.
to talk lengthily, if irrelevantly and usu. in a neg. manner (about).
see shit oneself v.
[1940s+] to be absolutely terrified.
[1970s+] to tell deliberate lies.
[1970s+] to annoy, to irritate.
1. [1940s+] (orig. US) to ruin by adding unnecessary or distasteful accessories; thus crapped up adj.
2. [1950s+] (orig. US) to make a mess of; thus crapped up adj.