https://greensdictofslang.com/ * Login Green's Dictionary of Slang * Home * Browse * Search * Bibliography * About Five hundred years of the vulgar tongue 'Quite simply the best historical dictionary of English slang there is, ever has been [...] or is ever likely to be' -- Journal of English Language and Linguistics [ ] Advanced search Dictionary News and Articles more on the dictionary blog ... Word of the Week act up, v. [20C+] 1. to make a fuss in order to attract attention to oneself. 2. to cause (someone) trouble. Digital edition (c) Jonathon Green 2024. Legal Information -- Terms and Conditions