pickin a lather . in a lather {adj.}, {slang} In great excitement; all worked up; extremely agitated. I couldn't get across to Joe, he was all in a lather. Categories: add yours adjective slang Source: A Dictionary of American Idioms 'in a lather' on video in a lather In a lather (learn English with pie) Mary-Kate & Ashley In Action! Episode 12 In a Lather What does in a lather mean? sort: relevance, mode: exact match, q: "in a lather", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Leave my opinion