Traveling at 100 mph or more, particularly on a motorcycle.
We all went up to Aces Cafe on friday, partying and doing the ton back and forth to the roundabout
by LeMansChamp July 31, 2008
Refers to going 100 mph or faster in a vehicle, specifically a cafe racer style motorcycle.
Do the Ton!

Or

After an engine rebuild this old bike can now do the ton.
by TobyDanger September 8, 2012