Definition of jacksie in English:

jacksie

(also jacksy)

noun

British
informal
  • A person's bottom.

    • ‘Two goals in three minutes, gave the game the firework up the jacksy it required, while also killing it off as a realistic contest.’
    • ‘If the England captain ever got drunk and ran singing around a territorial army mess hall with a burning newspaper sticking out of his jacksie, we will never know.’
    • ‘Unless they elect the wrong kind of government, in which case they will find American fingers crawling so far up their jacksies that a distinct lump will appear in their throats.’
    • ‘You know, I really, really hate getting shot, and had I been in a position to do so (and not writhing on the floor bleeding slightly) I would have told Matty so, before inserting his pistol up his jacksie, sideways.’
    • ‘It wouldn't be good customer service to say that I felt like stuffing the one she bought up her jacksie, but I did think it would have been a good idea at the time.’
    buttocks, behind, backside, rear, rear end, seat, haunches, cheeks
    View synonyms

Origin

Late 19th century: diminutive of jack.

Pronunciation:

jacksie

/ˈdʒaksi/