Up in Nelly's room behind the wallpaper

exp.

Heard in Dublin, Down and Westmeath

Response to an enquiry regarding the unknown whereabouts of an object or objects. (See also: 'up the fat woman's arse in Moore St.').

In use

Ma, where's me bleedin' shoes?', 'up in Nelly's room behind the wallpaper

Posh English

'Mother, wherever are my confounded shoes?' 'Up in Nelly's bedchamber, behind the wallpaper.'