jemandem ist eine Laus über die Leber gelaufen

== German == === Etymology === Literally, “a louse has walked over someone's liver”. === Pronunciation === IPA(key): [ˈjeːmandəm ɪst ˈaɪ̯nə laʊ̯s ˈyːbɐ diː ˈleːbɐ ɡəˈlaʊ̯fn̩] === Phrase === jemandem ist eine Laus über die Leber gelaufen (idiomatic) something has bitten him, something is eating him/something is eating at him (slightly different meaning; irritation without a specific cause: someone has gotten out of bed on the wrong side)