This fascinating lexicon of thieves' cant presents you with the jargon used by criminals in the United Kingdom in the 18th and 19th centuries. Entertaining and informative, it takes you in a journey of the underworld in Britain during the 18th and 19th centuries.
pron. 'bee-ave'. Meaning 'sort yourself out', 'stop being silly'. Can be used in an agressive manner as if to say 'stop doing that, or else'. Also, in these post Austin Powers days can be 'oooh behave !".