sneaky-fast

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.

by Sneaky-fast OT student October 18, 2008

sneaky fast

A term used to describe a fast, Caucasian football player.

Brent Musburger: Jeff Maehl, everyone, everyone, who plays him says he is sneaky fast.

by GardenState January 11, 2011