(British)

1. Completely disorganized, 'at sixes and sevens'. A picturesque, if fundamentally meaningless expression sometimes heard in Britain, especially in the north of England.

It's no good, it's all arsehole to breakfast time in that office at the moment.

2. Thoroughly, constantly, or the full distance as, for instance, in the expression 'he kicked him from arsehole to breakfast time'. This may be an allusion to the complete digestive process (breakfast time referring to the mouth), but the origins of the phrase are obscure.