A harm-reduction practice in UK club and festival culture where you verify the contents and purity of mandy (MDMA) before taking it, typically using a reagent test kit or a drug-checking service. The mandy check is the responsible, safety-first step between acquiring and consuming — and increasingly, it's the thing sober friends remind their crew to do before a big night. In wider slang it can also mean a casual vibe-check on whether someone is actually rolling or just being weird.
Do a mandy check before you drop anything at a festival — fentanyl is everywhere now.
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Viral internet speak — memes, ratios, main-character moments, and the algospeak of every platform from Twitter to Reddit to TikTok comment sections.
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