He blind-sided me or took me down for no reason. The phrase is in reference to the Seinfeld episode in which Kramer buys the Commando 450 shower head to replace the low-flow shower head in his appartment.
Kid 1: (talking to girl) You know I playguitar...
Kid2: Yeah, to make up for your small genetalia!
(Later)
Kid 1: (to Kid 2) Dude, you kind of 450'd me back there!
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).