To make large advancements with your crush or others. This includes anything from saying hi to someone you dont know well to asking your crush out. Doing anything that needs any amount of courage to do can be a big boy move.
Rose made big boy moves when she asked out Wayne in biology.
A boy that purposely dresses in a girly fashion. Most commanly seen today in the tight-pants-wearing "skater" population. They sport smooth chin length haircuts with long bangs that hang down across their eyes. A true femmy boy has androgynous facial features and will spend numerous hours plucking his eyebrows.
The idea that a ridiculous celebrity who appears incredibly stupid might actually be a genius aiming to capitalize on the revenue he or she gains from the mindless demographic their work caters to.
Ke$ha, Lady Gaga, Joaquin Phoenix, Chad Ochocinco, and of course Soulja Boy! All of these and more could fall under the Soulja Boy Theory