P1. my goody [euphemistic alteration of my God at godn. and int. Phrases 1e(a)] : euphemistically expressing surprise, disbelief, etc. Cf. my God at godn. and int. Phrases 1e(a), goodnessn. Phrases 1.
ΚΠ
1873 Golden Hours Nov. 491/1 ‘O, my goody!’ said he.
1886 H. BaumannLondinismen 67/1My goody, goodness gracious!
1898 M. A. WardHelbeck of Bannisdale (2006) 52 Oh! my goody—isn't that rousing?
1918 G. M. ReynoldsLonely Stronghold i. 2 ‘Oh, my goody,’ said she.