stick your bib in

stick your bib in :

your best bib and tucker

your best clothes – informal

Bib and tucker originally referred to certain items of women's clothing. A bib is a garment worn over the upper front part of the body (e.g. the bib of an apron) and a tucker was a decorative piece of lace formerly worn on a woman's bodice.

stick your bib in = poke your bib in

interfere – Australian & New Zealand informal