Lyric discussion by MMFB2001 

Cover art for Get Shaky lyrics by Ian Carey Project, The

If you watch the video (below) (some really cool kids) then it seems a lot more innocent and maybe shaky just means dancing, and the "trick" might just mean something about cool dancing. I dont know.

http://www.youtube.com/watch?v=QMcf5QvdJNM