For MTB: http://www.isu.edu/~nickbenj/bike/mtbdic.htm
For Roadies: http://kba.tripod.com/slang.htm
Might be of some help so some. I recently read a post by TomS and he mentioned a DF, and although it's not in the roadie slang dic. I did find it somewhere.
Google is your friend
The direct link to support me in the 27th Annual Prouty Bike Ride, July 12, 2008:
Please support others by supporting me.
Thank You! -eric