Threads on here are normally tales of other people being arseholes and I wondered how many of us have had times when we've been total wankers.
I'll offer up a parking one.
I live in a tourist area. People are always parking up and fucking off. It's a bugger to park.
I once drew a map to the massive public car park in the middle of the village and stuck it under a car's windscreen wiper after I watched them park up and grab their bikes.
After a few hours I came to my senses and realised I was a wanker but they came back before I could sneak out and remove it.
Twat level - gold.