(slang, often, pejorative) A person who uses the hallucinogenic drug LSD.
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Acidhead means: A person who uses the hallucinogenic drug LSD.. It is informal slang, fine in casual speech but not suited to formal contexts. It has drug-related associations; worth a calm conversation about which side of the topic your teen is on. If your teen uses it, context will usually make the intent clear. A short, curious question about where they heard it is usually all that is needed to know whether to follow up.
Slang is read by different audiences for very different reasons. The For parents view re-explains the term in plain, non-judgemental language so a caregiver can understand what their child means without needing the surrounding subculture. The For English learners view focuses on register (when it's safe to use), formal alternatives, and common mistakes — what a textbook won't teach you.
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Slang for cannabis, opioids, stimulants, psychedelics, alcohol, prescription drugs, and rave/club culture.
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