Piss.

The bags are often used to administer injections or decapitate a mouse or rat in lab settings iirc

Well you know what they say:

I’m through with standing in lines to clubs I’ll never get in,
It’s like the bottom of the ninth and I’m never gonna win,
This life hasn’t turned out quite the way I want it to be

Clearly they’re after the notorious hacker known as 4chan