T-shirt design from the last holomyth Jackbox stream with Gura.
YouTube:【MYTH RELAY】boxing with myth as 4 one last time @ 50:20

Note that, at the time of this post, the design is still available through the Jackbox T-shirt store:
https://jackbox.tv/gallery/TeeKOGame/96ca45e6f992c9530956ec2015096c06 (archived link)

GabrielWB said:

Note that, at the time of this post, the design is still available through the Jackbox T-shirt store:
https://jackbox.tv/gallery/TeeKOGame/96ca45e6f992c9530956ec2015096c06 (archived link)

I'm partial to Calli's "STRAIGHT SHORKIN IT" design myself, but they're all pretty funny, and the stream itself was hilarious. And sad. But mostly hilarious.

I'm still bitter that I missed this gem from their Jackbox stream 4 years ago