gen up on (something)

gen up on (something)

To inform or educate oneself about something; to study up on something. Primarily heard in UK. I'm going to have to gen up on my computer skills before starting this new job.
See also: gen, on, up
Farlex Dictionary of Idioms.
See also:
  • a ghost at the feast
  • a/the feel of (something)
  • (I) wouldn't (do something) if I were you
  • a straw will show which way the wind blows
  • a spoonful of sugar helps the medicine go down
  • a crack at (someone or something)
  • all right
  • (you) wanna make something of it?
  • all for the best
  • (have) got something going (with someone)