The SKIP emote (shown as a green Pepe the Frog with a displeased or annoyed expression) is used to express a desire to skip or move past content that viewers find boring, uninteresting, or low quality. It's essentially a visual way of saying "let's move on" or "this isn't worth watching."
This emote is a variation of Pepe the Frog, a character originally created by artist Matt Furie in 2005 for his comic Boy's Club. The specific SKIP variant appears to be a third-party emote available on platforms like 7TV, BTTV (BetterTTV), or FFZ (FrankerFaceZ), which are browser extensions that allow additional emotes beyond Twitch's official offerings.
Like many Pepe variants, this emote became popular in Twitch culture around 2015-2016 when Pepe emotes began proliferating across the platform, with various expressions and modifications being created by the community.
The SKIP emote is commonly used in the following contexts: