Undinism, a fetish for or sexual dependency on either the smell and/or taste of urine, or the sight and sound of someone urinating.(noun)
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Use "urophilia" in a sentence
"Also new, his concerns about America's descent into "urophilia.""
"Sometimes that's just for a peek at some gratuitous nudity, including a moment of urophilia in case you were drifting off."
"That could include exhibitionism, it could include necrophilia (sexual arousal/activity with a corpse) ... it could include urophilia (sexual arousal associated with urine), voyeurism."