The phrase "a big acid" is grammatically correct and can be used in written English.
It can be used in contexts related to chemistry, art, or slang, depending on the intended meaning.
Example: "The artist used a big acid to create vibrant colors in her latest painting."
Alternatives: "a large acid" or "a significant acid".
It's a big squelchy acid house banger and it's even got a really satisfying SoundCloud waveform!
It's like everybody is on one big acid trip and they're all special in an erotic way.
"The next big acid test is the January booking market.
Remember the big "acid rain" scare during the 1970s and 1980s attributing damage to lakes and forests to emissions from Midwestern utilities?
It's one big acid trip fantasy with no connection to improving our lives, being good fathers and husbands and advancing our careers.
La Monte had chemist friends, so he got these big acid pills that were actually two colors, green on one side and yellow on the other.
MacColla agreed with Ling Lin, noting that she isn't a big fan of acid-based removal products either, as she's found them to be quite drying.
A former porn star (he both starred and produced in cable TV pornos, "I was literally a one-man industry, but it wasn't masturbation"), AK47 has always "lived life on the edge" earning himself a string of drugs convictions and spells in jail for football hooliganism and for organising the biggest acid house rave in the north of England in the Eighties.
As for Oakey, he started one of the UK's biggest acid house nights, Spectrum, and pioneered the mega-festival scene in America with his Cyberfest 2000 event in California, where 80,000 ravers showed up to worship the Chemical Brothers and Carl Cox.
You pile oxide ores into a big heap, spray some acid on top and, abracadabra, the copper flows out, having dissolved in the acid.
