Definition from Wiktionary, the free dictionary
geebag (plural geebags)
- (Ireland, slang, derogatory) An objectionable person, usually female.
2008, Tana French, The Likeness, page 312:
- 'OhmyGod', I said, matching his peeved tone and doing the same geebag accent I'd used to get Naylor out of his hedge.
- 2010, Gerald Hansen, Hand in the Till
- “Get it offa me, ye mindless geebag!” Tomlinson's glazed eyes danced with sudden glee, and he tore the top from her, Dymphna's breasts spilling out like the screams spilled from her mouth.