Green’s Dictionary of Slang

notice box n.

(Irish) one who is keen to attract attention.

[Ire]N. O’Faolain Are You Somebody? 307: Teacher used to say ‘Miss Noticebox! You’re nothing but a noticebox!’ .

In phrases

Miss Notice Box (n.)

a ‘forward’ woman.

[UK]A. Higgins Donkey’s Years 28: Maeve Healy is now coming downstairs in shorts. Mumu says she is a minx, a slithery article, Miss Notice Box. Mumu strongly disapproved of those who ‘put on airs,’ drawing attention to themselves by showing off.