plumber up

verb2

1. •
   (informal, rare) To work on (something) as a plumber; to equip (something) with plumbing.

   • The tooth was not pulled but the dentist found a couple of cavities which he plumbered up a little. — 1931
2. •
   (slang, rare) To botch or ruin.

   • Even bananas are in trouble, though not from the weather. The maritime strikers have “plumbered up” the shipping situation to the extent that the demand far exceeds the supplies. — 1963