Citations:keysmash

Noun: "(slang) a haphazard striking of keys on a keyboard to convey frustration or other emotion"

 * 2019, Alexa Atlas, "VSCO girl trend takes over East hallways", Eastside (Cherry Hill High School East), October/November 2019, page 21:
 * These seemingly nonsensical turns of phrase carry intricate meanings: the keysmash "sksksk" can be described as an awkward laugh,
 * 2020, Zachary Jaggers, "3 Internet language trends from 2019, explained", Business Mirror, 4 January 2020, page A10:
 * And it's more pronounceable than a traditional keysmash—“as;ldfkjls”—so it can be said out loud.
 * And it's more pronounceable than a traditional keysmash—“as;ldfkjls”—so it can be said out loud.

Verb: "(slang) to type aggressively or randomly mash keys on a computer keyboard"

 * 2013, Olivia Solomon, "Idol Worship and the Life Ruiners of Ecosoc", Echoes (University of the Philippines), February 2013, page 50:
 * or I keysmash my feelings away every time there is an attractive picture of them that surfaced on the internet and since every picture is an attractive picture, let's just say my keyboard knows the pain I have to go through.
 * 2013, Carolyn Hsu, "JustTumblrLanguage.Tumblr.com", The Apache Pow Wow (Arcadia High School, Arcadia, California), Volume 61, Issue 3, November 2013, page 17:
 * It's an abbreviation of the word "feelings," probably because it's easier to type a five letter word or to keysmash.
 * 2020, Gretchen McCulloch, Because Internet: Understanding the New Rules of Language, page 7:
 * I also heard from several people who use the Dvorak keyboard, where the home row begins with vowels rather than ASDF, who reported that they just don't bother keysmashing anymore at all because their layout makes it socially illegible.