Also found in: Idioms.
Related to gen up: gin up
vb, gens up, genning up or genned up
(adverb; often passive; when intr, usually foll by on) informal Brit to brief (someone) or study (something) in detail; make or become fully conversant with: I can only take over this job if I am properly genned up.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Past participle: genned up
Gerund: genning up
Collins English Verb Tables © HarperCollins Publishers 2011
w>gen up(Brit inf)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007