Lemonade Mouth - n. - A cotton mouth like side effect experienced after having urine expelled into the mouth.
Man, I just came back from the Men's Bath House and I've got a terrible case of Lemonade Mouth.
Related to golden showers, lemonade mouth occurs when an individual's mouth is filled with urine either by their own doing or with the help of a partner. The resulting appearance is similar to that of having a mouthful of lemonade.
Shit man, that girl's a freak. After we finished screwing she begged me to give her lemonade mouth.