A feather in one's cap?

[Stupy]

English Language Tests, Intermediate level

ESL/EFL Test #347 "English Slang Idioms (68)", question 1

"I guess the fat has hit the ......... in the Democrats' campaign. It turns out that two of their candidates have been arrested for stock fraud. They are going to have a hard time overcoming that!" Miller said to Calvin.

(a) ground
(b) pan
(c) belly
(d) fire

English Language Tests, Intermediate level

ESL/EFL Test #347 "English Slang Idioms (68)", answer 1

"I guess the fat has hit the fire in the Democrats' campaign. It turns out that two of their candidates have been arrested for stock fraud. They are going to have a hard time overcoming that!" Miller said to Calvin.

Correct answer: (d) fire
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what is the correct idiom for feather in my cap

[Mister Micawber]

A feather in one's cap = a merit point; a praiseworthy accomplishment; distinction; honor
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Native English teacher at Mister Micawber's

[Puppet]

Awesome!

[Nenad11]

Does to hit the fire mean make something public which is classified?

[Mister Micawber]

'The fat has hit the fire' = the trouble has started/intensified
_________________
Native English teacher at Mister Micawber's