urolagniaPronunciation: /ˌjʊərə(ʊ)ˈlagnɪə/Definition of urolagnia noun [mass noun] a tendency to derive sexual pleasure from the sight or thought of urination. Also called urophilia.Origin: early 20th century: from uro-1 'of urine' + Greek lagneia 'lust'urolagnia in other Oxford dictionaries Definition of urolagnia in the US English dictionary