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genned up

 /ˈdʒendˈʌp/

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Collins Concise English Dictionary © HarperCollins Publishers::

gen up vb (gens up, genning up, genned up)
  1. (adverb; often passive; when intr, usually followed by on) Brit informal to brief (someone) or study (something) in detail; make or become fully conversant with



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