ten-tenths
adj.—Gloss: All, all-out, or completely. «Racers often rate their effort in terms of tenths, with nine-tenths being an agressive race pace and ten-tenths a banzai lap.» —“Ultimate!! Racing!! Machines!!” by Preston Lerner Popular Science Feb., 2004. (source: Double-Tongued Dictionary)
Further reading
What’s a word for the act of being so focused on documenting an important event, such as a wedding or an eclipse, that your effort to capture it distracts from experiencing the event itself? The A Way with Words Facebook group has some...
In cycling slang, on the rivet refers to putting out maximum effort, and derives from the way cyclists lean all the way forward on the hard bicycle seat, which traditionally has a flat rivet in the very front. This is part of a complete episode...