What did Tom say about shipbuilders back at Water 7?
Maybe this?

On Chapter 356, when Spandam use Franky's ship to attack Shihousen:



there's a little bit difference on translate, as state on wikia:


  Tom's favorite phrase to say was "Do it with a Don!" ("with a Boom" in the Viz manga and "with Gusto" in the FUNimation dub)