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British Dictionary definitions for gen up

gen up

verb gens up, genning up or genned up
  1. (adverb; often passive; when intr, usually foll by on) British informal to brief (someone) or study (something) in detail; make or become fully conversant withI can only take over this job if I am properly genned up
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012