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Unicorn – A bisexual person, who is willing to join an existing couple, often with the presumption that this person will date &/or become sexually involved with both members of that couple without interfering or inconveniencing the couples relationship.
Uniforms – An easy & fun way to get into role play. Can be anything & range from traditional & authentic to replicas being made out of Latex, PVC or leather depending on the persons fetish.
Ursusagalmatophilia – Is a fetish for dressing up as & acting like an animal.
Urophilia – Gaining sexual pleasure from the act of urination. Also known as golden showers & water sports. Can also extend to seeing people in wet clothing, heightened when the fabric is clingy & or see-through. For a healthy individual urine is safe to drink in small amounts, drink plenty of water to dilute the taste. Using a wet room or shower reduces clean up.