|1.||dibs aren't in tune|
To have money. If the dibs are in tune, it means you're flush and can go raise hell etc - conversely, if the dibs aren't in tune, it means you're skint.
Bertie: What ho old chap. Are you coming to tea?
Corky: 'Fraid I can't mate - the dibs aren't in tune this month. I'll have to hit up my Uncle Worple for some cash.