flaxation!, excl. — Green’s Dictionary of Slang

flaxation! excl.

[ety. unknown; ? link to flax, humbug, which is cited with an 1857 use in Thornton, American Gloss. (1912), and there labelled as ‘rarely met with’]

(US) a euph. version of damnation!

1883		Detroit Free Press 5 Jan. 5/3: What in flaxaion do you want.
1909		J. Ware Passing Eng. of the Victorian Era 134/1: Flaxation (New Eng.). One of the more remarkable American hypocritical evasions of actual swearing. Equal to damnation.