Blu-tack in English dictionary Blu-Tack Meanings and definitions of "Blu-tack" (UK) A solid putty-like adhesive, originally blue in colour, used to secure items to walls and other surfaces. (UK) To fix with Blu-Tack. noun (Britain, New Zealand, Australia) A solid putty-like adhesive, originally blue in colour, used to secure items to walls and other surfaces. verb (Britain, New Zealand, Australia) To fix with Blu-Tack. more Grammar and declension of Blu-tack Blu-Tack ( uncountable) Blu-Tack ( third-person singular simple present Blu-Tacks, present participle Blu-Tacking, simple past and past participle Blu-Tacked) Blu-Tack (uncountable) Blu-Tack (third-person singular simple present Blu-Tacks, present participle Blu-Tacking, simple past and past participle Blu-Tacked) more Blu-tack blu-tack Images with "Blu-tack" Sample sentences with "Blu-tack" Declension Stem Try again Available translations Chinese Finnish Icelandic Irish Japanese Spanish Authors