pickum-hum . um-hum See: UH-HUH. Categories: add yours um-hum Source: A Dictionary of American Idioms 'um-hum' on video um-hum - Windowz [Official Music Video] um-hum - 凡能 [Official Video] um-hum - meme [Official Video] um-hum - Ungra[Official Video] sort: relevance, mode: exact match, q: "um-hum", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: American IdiomsEnglish Slang Discuss