雪隠で饅頭
also: せっちんでまんじゅう
Meanings
1
if you're hungry, where you eat doesn't matter
Proverb meaning that when you are truly hungry, you won't be picky about the place or circumstances. Literally 'manjū in the toilet'.
See also: 饅頭
The proverb 'manjū in the toilet' means that if you're hungry, you don't care where you eat.
2
hiding something good for oneself alone
Idiomatic use: secretly enjoying a treat in a private place like a toilet, implying selfishly keeping something good to oneself.
He's keeping the good news to himself, like eating manjū in the toilet.