When you go to the shitter after waiting a lifetime for a dump. The dump is so large, your opening tears causing you to squeel in agony as tears run down your face.
The act of inserting a maraca into an anus prior to vaginal or oral intercourse. If the sex is violent enough the maraca should rattle and the act of performing a "rim-rattler" is complete.
"Honey, it's been a long day in the office and I could sure go for a brisk rim-rattler!"