1. on the dot - Adverb
2. on the dot - Phrase
just as it should be
Source: WordNetNot once in six years did I make it to the office by 9 on the dot. Joseph Barbera
Fashion is a very stressful place to work because of the demands of doing the shows - no one expects a writer to produce two books a year on the dot - but it's also a very toxic place to work. John Galliano
`Precisely, my lord,' he said Source: Internet
Clicking on the dot highlights the line, and the breakpoint symbol appears. Source: Internet
The entire team trickled in right on the dot at 6PM. Source: Internet
Designers also included hidden messages or in-jokes; one example of this is the phrase "DOHO" sometimes seen quickly displayed on the dot matrix displays, a reference to Dorris Ho, the wife of then-Williams display artist Scott "Matrix" Slomiany. Source: Internet