A social evaluation of someone's home or living space — either requested ('come do a gaff check') or issued as an unannounced verdict after a visit. Rooted in British slang where 'gaff' means house or flat, a gaff check is the moment your place gets silently or loudly assessed for cleanliness, decor, size, and general life-togetherness. It can happen in person when mates visit for the first time, or digitally when someone posts a room tour. A passed gaff check is a flex; a failed one generates content. Popular in UK TikTok and YouTube culture.
She said she was just popping round to drop something off but I could tell from her eyes it was a full gaff check — thankfully I'd tidied up.
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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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