What does 'yep clock' mean?

Been seeing this term on twitch lately. For example, it is referred to starting at 19 min 00 secs of this video https://www.twitch.tv/videos/821017035 Is it some meme or slang term?


Solution 1:

"Yep" is an emote of Pepe on Twitch. "Yep clock" is a graphic of this emote and a clock.