Glitchcore is an aesthetic characterized by the maximalistic use of visual glitches and distortion, incorporating heavily saturated colors, rainbows, flashing patterns, pixelation, and eyestrain. It peaked in popularity on TikTok in 2020-21 , often associated with the Danganronpa fandom. The aesthetic frequently features characters and artwork from cartoons, anime, and video games.

The term "Glitchcore" sometimes also refers to a microgenre of music related to Hyperpop and Digicore. This style is characterized by high-pitched vocals, sharp 808s, frequent hi-hats, and exaggerated use of distortion and glitch effects. Artists like 100 Gecs and Twikipedia are considered pioneers of the Glitchcore music genre. However, it is a common topic of debate on whether it really constitutes a genre.

Glitchcore as a 2020s music genre is inspired by the dance music vibes of the mid to late 2000s and the sped-up aesthetics of early 2010s Nightcore. The genre builds on the ethereal hip hop-like beats of mid-2010s such as Drain , integrating elements of hip hop and significant hyperpop influences. Characterized by its energetic, danceable bass and use of vocal chops to create a vibrant and surreal auditory landscape.

Other genres associated with the aesthetic include: