mosh
verb
ˈmäsh 
moshed; moshing; moshes
intransitive verb
: to engage in uninhibited often frenzied activities (such as intentional collision) with others near the stage at a rock concert
mosher noun
Example Sentences
Recent Examples on the Web But over the hill, the grimier world of Hollywood is home to her soon-to-be boyfriend Randy (Josh Whitehouse), whose pierced and tatted pals prefer moshing at punk shows. 
Natalia Winkelman, New York Times, 8 May 2020 Downstairs at the Regent Theater on Friday night, just days after 20-year-old Brooklyn rapper Pop Smoke was in the Hollywood Hills, hundreds of young fans moshed and circle-pitted while Atlanta hip-hop artist Thouxanbanfauni performed. Los Angeles Times, 23 Feb. 2020 The audience cheered like mad for everyone, waving things, crowd-surfing, messing with cops, moshing under swirling colored lights. Sarah Larson, The New Yorker, 12 Feb. 2020 About 20 Igor-alikes, an array reminiscent of Eminem’s breakout performance at the 2000 MTV Video Music Awards, accented the scene, all captured by what may well have been the Grammys’ first-ever moshing-along camera. Jon Caramanica, New York Times, 27 Jan. 2020 For the first time, the air-conditioning was not enough to stifle the heat rising from the moshing fans. Jessi Roti, chicagotribune.com, 21 July 2019 The British rapper Kojey Radical, in particular, drew the crowd into a frenzy, leading singalongs and moshing across the trembling National Sawdust floor. Andrew R. Chow, Time, 27 Nov. 2019 Regardless, fans didn't hold back on the floor, moshing, bouncing and, for some, even ripping cattails out of the ground to wave to the music. Charles Trepany, USA TODAY, 19 Oct. 2019 Teens joyously mosh and throw up metal horns while brandishing the colorful Amazigh flag. Teen Vogue, 7 Oct. 2019 See More
Natalia Winkelman, New York Times, 8 May 2020 Downstairs at the Regent Theater on Friday night, just days after 20-year-old Brooklyn rapper Pop Smoke was in the Hollywood Hills, hundreds of young fans moshed and circle-pitted while Atlanta hip-hop artist Thouxanbanfauni performed. Los Angeles Times, 23 Feb. 2020 The audience cheered like mad for everyone, waving things, crowd-surfing, messing with cops, moshing under swirling colored lights. Sarah Larson, The New Yorker, 12 Feb. 2020 About 20 Igor-alikes, an array reminiscent of Eminem’s breakout performance at the 2000 MTV Video Music Awards, accented the scene, all captured by what may well have been the Grammys’ first-ever moshing-along camera. Jon Caramanica, New York Times, 27 Jan. 2020 For the first time, the air-conditioning was not enough to stifle the heat rising from the moshing fans. Jessi Roti, chicagotribune.com, 21 July 2019 The British rapper Kojey Radical, in particular, drew the crowd into a frenzy, leading singalongs and moshing across the trembling National Sawdust floor. Andrew R. Chow, Time, 27 Nov. 2019 Regardless, fans didn't hold back on the floor, moshing, bouncing and, for some, even ripping cattails out of the ground to wave to the music. Charles Trepany, USA TODAY, 19 Oct. 2019 Teens joyously mosh and throw up metal horns while brandishing the colorful Amazigh flag. Teen Vogue, 7 Oct. 2019 See More Word History
Etymology
perhaps alteration of mash or mush
First Known Use
1983, in the meaning defined above