pickUmfriend . Umfriend One with whom one has a sexual relationship; as in: "...this is Dale, my umfriend." No categories: add yours Source: Business slang 'Umfriend' on video UMFriend UmFriend New Dating Terms, Labey, Tunnig, Umfriend My LiL Umfriend (Oct.11,2014) sort: relevance, mode: exact match, q: "Umfriend", maxResults: 4, videoEmbeddable: true, videoSyndicated: true, safeSearch: strict, type: video Subscribe to: Business SlangEnglish Slang Leave my opinion