The afternoon timeframe beginning specifically at at noon trough the duration of the afternoon. Attention to the time is relative to noon vs anytime in the afternoon. Consideration of other times is acceptable, but should first acknowledge noon. "Noon-on" establishes a relative degree of protocol to planning time, beyond simply afternoon, early afternoon, or late afternoon. See examples below:
The process only takes a few hours, and we'd like to finish early, so lets begin noon-on. (The process can begin anytime in the afternoon, but relative to the "duration" and "end-early" desire, consideration should be given to noon, to early afternoon first).
by DaveDogDMY August 6, 2024

Texter 1: hey, my mom died...
Texter 2: noone asked bruh lol XD haha stupid noob
Texter 1:that’s mean
Texter 3: bruh that’s not how you spell no one it’s not noone
Texter 2: noone asked bruh lol XD haha stupid noob
Texter 1:that’s mean
Texter 3: bruh that’s not how you spell no one it’s not noone
by Kai The Raptor March 20, 2020

The act of showing your frontal genitals to a person or persons. The opposite of mooning, by showing your rear end.
by Stink Engine March 1, 2016

<Eric Harry Timothy Mabius>Naty Lebron ANd BEcki NewtonAre Noone's Wing Woman, Leviathan <Eric Harry Timothy Mabius>
<Eric Harry Timothy Mabius>Naty Lebron ANd BEcki NewtonAre Noone's Wing Woman, Leviathan <Eric Harry Timothy Mabius>
by TheSpartanicaOfAnyHellstromu3e April 24, 2025

1- 12:00 (twelve o'clock).
2- The middle of the day (period of 24 hours).
3- The middle of the daytime.
2- The middle of the day (period of 24 hours).
3- The middle of the daytime.
Noon.
by Çuçunny July 19, 2025

It's 12 PM but you're gay and panicking.
by Remy Michael May 15, 2020
