Kained it boy - You finish a task so good, you think you're the best student

You finish a task so good, you think you're the best student ever. You shout 'I Kained it boy!' like you just kicked the principal's butt.

I Kained it boy! I did my science fair project on a robot that could sing.

I Kained it boy! I made my math test into a musical with 15 characters.

I Kained it boy! I colored my essay like it was a rainbow.