When you're using a laptop to chat with a friend on Facebook while taking a shit and masturbating.
1. I was taking a huge dump the other day, and I totally pseudo-blumpkin'd Bryan. There was jizz all over my toilet and my computer. He was chatting with me on Facebook, completely unaware.
by Chariot Driver May 29, 2009
The action of urinating whilst receiving a rim job (having anus orally stimulated).
Give the man a pseudo-blumpkin
by Tiffany's Toyboy July 23, 2009