Probably proverbs

[Ottiebow]

F T B O A B M (to do with old naval armaments - not male anatomy)

B T S O Y T (presume this refers to enamel?_

T F T L A T S (more painful than the traditional champagne!)

any help much appreciated

[sherrardk]

Freeze the Balls of a Brass Monkey?

[NazNomad]

By The Skin Of Your Teeth

[slaney]

2. By the skin of your teeth.