What is Sneaky-fast?
1.
When you're being so fast, you don't even know you are being fast.
Stealing the bases in baseball, (according to our research teacher).
OR...
When your learning is so sneaky-fast, that you don't even realized you learned the material.
See
Random Words:
1.
A person who is annoying beyond belief.
Ian: I'm soo great
Terry: Shut it you heinous ass jackal
See heinous, ass, jackal, annoy..