The car's axles need more 'lubricant'.
using humor as a social 'lubricant'
(..) the same rush. Tonight, I needed more. No, thanks. Meanwhile, uptown, Charlotte wondered when relationships had gotten so complicated. She yearned for the time when dinner was followed by dessert, not lubricant. - Ooh, whoops! Oh, my. I don't want to. Or maybe I do. I don't know what I want, but- (..)2005 In Her Shoes