"mon" definition, meaning, and origin

Interjection

come on; come along with me
come on! Part of a chant for a team or band.
- 'Sing up, runt,' he goes, slapping my back friendly/forceful. 'Mon the Rangers!' - 2011 September 1, Alan Bissett, Pack Men, Hachette UK, →ISBN:
- Narrator: Jack's a Celtic fan. Jack: Mon the hoops! - 2014 April 14, Martin Travers, Scarfed For Life: 2nd edition, A&C Black, →ISBN:
- I caught sight of a lake of faces chanting 'Mon the Biff! Mon the Biff!" – come on the Biffy Clyro – with a startling and percussive unity. 'Mon. The. Biff!' 'Mon. The. Biff!' 'Mon. The. Biff!' - 2022 April 19, Ian...
An expression of defiance or as a challenge; often as "mon then"

Clipping of come on.

The former currency of Japan until 1870, before the yen.
- The shimonsen or shimon, originally worth four mon, but debased to two mon. - 1902, Walter Del Mar, Around the World Through Japan, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd., page 136:
The former currency of the Ryukyu Kingdom until its annexation by Japan.
The badge or emblem of a Japanese family, especially a family of the ancient feudal nobility; typically circular and consists of conventionalized forms from nature.

From Japanese 文 (mon).

A creature in a video game, usually one which is captured, trained up and used in battles.
- Here they are, the fans voted for them, and here they are, the Mons that can... - 2000 November 25, Thomas Conner, “Digimon Top Ten Choice List”, in alt.fan.digimon (Usenet):
- When a mon attacks him, he returns the same strike with the world "Reflection" after it, double the original strength. - 2003 February 15, sirSTACK, “Digimon #429”, in alt.fan.digimon (Usenet):
- And thus did it come to pass that the boy and the two mons, after a brief final discussion began the training. - 2011 June 6, Clayton, “PW! - Training Interlude”, in alt.games.nintendo.pokemon (Usenet):
A video game or anime in which catching and battling creatures is an important element.
- Pokemon, digimon and all other merchandised mons, what good parent will disagree with me that those little invading, mind rotting things should be tolerated... those should be illegal, too... - 2001 May 27, Travis...
- And dont buy Pokemon or Digimon or any other bloody Mons or you will never hear the ned^([sic]) of it :-) - 2001 May 24, Horace Wachope, “Kids Toys”, in alt.ozdebate (Usenet):
- At any rate Digimon was the best mon/collector series we've seen yet, to the point its popularity was prolly bigger here than its marketing. - 2003 December 9, tito, “Main difference between anime and U.S. cartoons?”,...

Clipping of monster, via Japanese モン (mon) in Pokémon, Digimon, etc.

Man; used in places such as Jamaica, and Lancashire, Shropshire and the Black Country in England.
- Ee I'm allus glad to see a mon like thee. That's as welcome lad, as welcome as can be. Fotch thi cheer up t'table. Stop as long as th'art able. Fer I'm allus glad to see a mon like thee. - 1974, “A Mon Like Thee”, in...
- I am a Black Country mon. Yow dow know and the Brummies woh understond. - 2020, “Black Country Mon”performed by Johnny Cole:

From a dialectal variant of man; compare West Midland Middle English mon (alongside East Midland Middle English man).

Clipping of month.