excrement AUSTRALIA, 1972.

rubbish, nonsense UK, 1997.

someone or something extremely funny AUSTRALIA, 1989

to fall asleep US, 1959.

to defecate. Like many other words for bodily functions, 'cack' was part of everyday conventional speech for many years before slipping into impolite usage in the late C19 UK, 1436.► cack itto be very nervous or worried; to feel thoroughly frightened. A variation of SHIT IT UK, 2002.► cack your dacks1. to lose control of your bowels AUSTRALIA, 1992.2. to become scared AUSTRALIA, 1992.► cack yourself1. to be terrified. Literally 'to shit yourself'; used figuratively (most of the time), often as an exaggeration UK, 2000.2. to laugh uncontrollably. A variant is 'cack yourself laughing' AUSTRALIA, 1987