Far East Two-step, n. — Green’s Dictionary of Slang

Far East Two-step n.

[one of many sl. terms for diarrhoea that pun words for dancing/movement (i.e. SE trot) on trots n.]

(US) diarrhoea; dysentery.

1967

E. Shepard Doom Pussy 227: Members suffering from the Far East Two-step, known in Egypt as the Pharoah’s Revenge [etc.].