chris w: hey jake how are you doing  jake: i'm crushing it  or  chris w: suzy is really hot  jake: i crushed it already
being in severe shape, looking good, being better than others, looking hot, feeling positive, having more than others, having relations with other attractive people, generally serving well
"chris w: hey jake how are you doing  jake: i'm crushing it  or  chris w: suzy is really hot  jake: i crushed it already" What is the definition of "crushing it"?