Shropshire and Black Country (UK) slang for going the long way around. Can be meant figuratively or literally. Based on The Wrekin, a large hill. http://en.wikipedia.org/wiki/The_Wrekin#Folklore_and_customs
Sorry I'm late. I got on the wrong bus and it took me round the Wrekin!
The act of completely destroying your friends will to live by verbally insulting them and then going on to further insult on the by taking a photo with your hands, capturing your companions life drain from his face and uttering the final words, "snapwrekt".
Eddie: (to friend who has fallen over) you're such a softy
Friend: that's not what your mother said to me last night
Friend: (Holds up hand shaped as a camera)
Friend: snap wrekt
Eddie: Fuck
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).