weder Fisch noch Fleisch

Etymology
lit. 'neither fish nor meat'. Compare with 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬, and so on. Perhaps from the context of fasting (on Fridays and during Lent), where fish was allowed, but other meats were not. Or from the notion that dishes containing neither of these ingredients are not “proper”. food.

Idiom

 * 1) neither fish nor fowl, neither fish nor flesh something difficult to categorise
 * 2) something half-baked, lacking resolution or determination