Adjective: When someone is covertly Bad Ass, i.e. they do not flaunt their badness obnoxiously, but rather KNOW they are bad ass and crazy without having to prove it all the time. These people look normal on the outside, but every now and then they "let loose" and unleash their inner fun, bad ass selves. They can sometimes be menacing, but only upon a closer look.
"Yo, man my five year old lil' bro is so cute, but he's all secretly bad ass n' shit with the G-Unit tats on his back and his hot wheels' spinning dubs."
adv; (see-kra-tee-nes): a manner of evading matters of personaldisclosure with the intent of creating further curiosity. Used to lure men off myspace to steal their kidney.
When someone who you don't have classes, talks or acts stupid outside of school but says, "I have better grammar in class."
Person 1: "We should go to the beach."
Person 2: "For we get darker? Nah."
Person 1: "It's SO not FOR."
Person 2: "Yeah, I talk stupid out of school, cause it really doesn't matter.
Person 1: (Thinking) Yeah sure, your just Secretly Stupid.