When you are penetrating anally with either your penis or your fingers, and you pull out and theres feces on you. Typically a noun, it can be used as an insult.
“She hasn’t cleaned there every time I have sex with her! I might as well call her the Taco Bell Wishing Well.”
When you put a dollar in a strippers G-String and slip your finger in their butt and hope she likes it and doesn't tell the bouncer .
Alex is well-wishing hope that stripper don't get mad at him and get us kicked out.