laxz06's definitions
rising to the occasion while being the underdog. starting out sloppy then getting your shit together and ending with a stellar performance.
john: "dude when leroy came of the bench to replace donnie a few weeks ago, he was awful"
mike: " yeah but he's really casselin' it now, you can't even tell he's a replacement player.
mike: " yeah but he's really casselin' it now, you can't even tell he's a replacement player.
by laxz06 January 27, 2009
Get the casselin' mug.