1 definition by Cydonian Knight
The act and/or result of "going down" on a girl in a very passionate/aggressive manner while she is menstruating. Leaving a smear of menstrual fluid on the sides of your cheeks that resembles the Joker's face makeup
1. Bobby just went wild down there, even with my heavy flow. After he was done, he looked up at me with a Joker smile and I gave him a confused look and then he said to me,
"Why So Serious???"
2. Oh wow, I would love to give her a mean Joker smile.
"Why So Serious???"
2. Oh wow, I would love to give her a mean Joker smile.
by Cydonian Knight September 19, 2009