• rubber-stamp

• not to give a tinker's cuss for it

• beyond one's ken

• a skeleton in the cupboard

• knock around

• a pretty kettle of fish

• teach one's grandmother to suck eggs

• a nosey parker

• blood is thicker than water

• as stiff as a poker

• pluck up courage

• do it by a whisker

• anchors away

• baker's dozen

• make his hair curl on end

• make oneself scarce

• a baker's dozen

• Dutch courage

• put the mockers on it

• hook line and sinker

• the pot calling the kettle black

• Davy Jones's locker

• get one's knickers in a twist

• ahead of behind on schedule

• ring down the curtain

• keep one's pecker up

• their on curtain

• stand corrected

• bore scare him stiff

• off one's rocker

• stick around