This is when you let an accidental spurt of pee trickle into the bath causing a ray of sunshine to enlighten the water. You then have to resort to refilling the entire bath unless you feel the urge to wash in your own urine.
Which is pretty damn sexual TBH.
Alexa: *on the phone* AISHEEEEE i peed in the bath. Help me mofo.
Aisha: Oki sexy ill be right over and bottle that sunshine bath
Alexa: wooooooo sexy temps