Pulling your cock out of female when doing her doggy style, then placing the cock by the rectum and rattling it back and forth between the ass cheeks to see if she is interested in some anal.
I was nailing Kristenlast night, and in the midst of our session I did some Rectum Rattling. As usual, I was denied.
Verb: To erk someone. To be all up in their biz. To cause frustration and anxiety. Basically to piss someone off in a profound way. Or, to bother someone's friends named jimmy
You: yo mama...
Me: I can't stand it when you rustle my jimmies like that
~or~
You: hey jimmy and jimmy. You suck Me: Dude stop rustling my jimmies and apologize