gutsern.

1918 Chrons. N.Z.E.F. 21 June 221/1 The tenderfoot and Zambuk, Working madly in the trenches, Comes a ‘gutzer’ in those trenches, And is taught to take a rumble.

1919 War Slang in Athenæum 8 Aug. 728/1 A ‘gutser’ is the last straw.

1925 E. Fraser & J. Gibbons Soldier & Sailor Words 113 To come a gutzer, to ‘crash’ or fall badly. (Ordinarily an Air Force term with reference to an aeroplane.) Also used generally. To get into serious trouble, e.g., ‘He's before a court martial and looks like coming a gutzer.’ ‘Gutzer’ is pre-war slang, and an old term among Scottish boys for falling flat on the water in diving, instead of making a clean header.

1933 Bulletin (Sydney) 6 Sept. 9/2 I work for the dole in a gutser gang, shovelling bits of coast..the down-and-out brigade.

1936 M. Franklin All that Swagger xl. 317 The banks will fetch old Robert a gutser one of these days.

1941 D. Masters So Few xxx. 335 The starboard Heinkel turned straight into..McKellar's stream of bullets and got what is known in the service as a ‘gutser’.

1957 I. Cross God Boy (1958) xii. 98 The back wheel slid in some loose gravel. Down he went again in another beautiful gutzer.

1960 B. Crump Good Keen Man 111 I came one or two gutsers myself, and once, when I was carrying Flynn through a gorge below the forks, I got out of control.