Similar to action of popping a wheelie, in the way that wheelies rule. A wheelie is pretty cool and so if you can do one, you are in fact pretty cool. So it is like an emphatic "for realsie", meaning you have done such a cool "for realsie" you are cool. Something that is a "for realsie" with a bit extra "real".

A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.