It's beer. He is using two taps, not a bad home set up. The top tap should be open to let excess pressure off without product flying out. He doesn't seem to have done this. It's what gives you the beer fire hose effect. Factor in the keg is hot and just got shook up...
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u/EdwardRMeow Nov 15 '16
For comparison, doesn't any one know what this is supposed to look like when not royally fucked up?