- Irish a slick self-assertive lower-class Dubliner
C19: from proper name Jack + -een, Irish diminutive suffix, from Irish Gaelic -ín
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
Examples from the Web for jackeen
Jackeen; a nickname for a conceited Dublin citizen of the lower class.English As We Speak It in Ireland
P. W. Joyce
And Jackeen told me after that it had laid hold on his trousers, and he didn't sleep all night with the fright he got.