Heady. On the initial pour there was 5mm of beer and 10cm of froth.
Disgusting. There's no one word for it, but astringent and sour are just two of the adjectives that spring to mind.
On tap at the brewery this was OK, so our only conclusion is that this was off.
Mrs Oliver: “Not right. Not right at all.”
Guest reviewer Gav: “Tastes like spew.”