Someone so monstrously ugly, the sight of their face and/or body is enough to steal your erection and end your wank prematurely should the thought of them enter your mind mid-stroke. Can come in useful when trying to conceal an unwelcome erection.
- I was struggling to hide this massive bonk-on i got at work, but luckily Warty Sue walked into my office. I said Timberrrrr! in my head as i felt it go down.
- She's such an erection thief.
- Yeah. Thank god.

- The other day i was fapping away while looking through my ex's facebook pics, then she had one of her with her friend Brenda. I lost interest.
- She's such an erection thief.
- Yeah. Fat slag.
by hhumpo April 26, 2011
Get the Erection Thief mug.