One of the many noticeable characteristics of My Chemical Romance's bassist, Mikey Way.
Often make fangirls go "awwww" and "he's so adorbs!" and influence teenagers to change to an awkward stance to show support for Mikey Way. Girls love awkward, nerdy guys with crooked knees, apparently.
Usually the butt of Mikey Way jokes on Tumblr, next to his remarkable Poker Face, Unicorn addiction, and of course, his gentleman-like attitude (edited photos with him in a top hat, eye piece, and moustache.)
A philosophical statement written on Mamimi's cigarette in the show, Fooly Cooly (FLCL). Some viewers believe that the full message is in fact, "Tasuku Never Knows Best," but it is disputed. The significance of the quote is relative to the individual.
When bees flit from flower to flower the nectar sticks to their legs. The phrase "bee's knees" means sweet and good, because the knees of the bee are where all the sweet, good stuff is collected.
That definition about moving around really fast is wrong.