A Zalgo-text effect applied to the words "ZALGO TEXT" Zalgo text, also known as cursed text or glitch text due to the nature of its use, is digital text that has been modified with numerous combining characters, Unicode symbols used to add diacritics above or below letters, to appear frightening or glitchy. Named for a 2004 Internet creepypasta story that ascribes it to the influence of an eldritc