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Sunday 18 March 2018 at 11:35
got me thinking as your word Hopphadoma sounded familiar so checked with my dad who is dutch (from Rotterdam and Mum from Maastricht) said the word sounds like Godverdomme which effectively means "God damn me". They are religious so they replaced "God" with "Pot"
Source: http://pinside.com/pinball/forum/topic/the-crazy-mansion-by-the-pinball-amigos/page/64#post-4286972