A sexual act consisting of urinating in a partner's anus or vagina and then slowly sucking it out with one's mouth.
"Dude, I went on a date with Emily!"
"How'd it go?"
"Not so good. She wanted me to give her a golden retriever."
"Would it be cool if I gave her a call?"
An abstraction of the term butterface, "Golden Dollar" follows from the logic:
butterface --> land-o-lakes butter --> Sacagawea (she's on the label) --> Golden Dollar