Blu-Tack
(British, NZ, Australia) A solid putty-like adhesive, originally blue in colour, used to secure items to walls and other surfaces.
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UK
#1·Apr 27, 2026UK
(British, NZ, Australia) A solid putty-like adhesive, originally blue in colour, used to secure items to walls and other surfaces.
Origin: From a brand name, from blue tack. Origin information sourced from Wiktionary contributors (CC BY-SA 4.0).
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UK
#2·Apr 27, 2026UK
(British, NZ, Australia) To fix with Blu-Tack.
The power switch wasn't seated properly, and so I blu-tacked it into place.
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