He has never been one to 'let the grass grow under his feet'. [=he has never been slow about doing things; he gets things done quickly]
The young candidate hoped to gather votes at the 'grassroots' level in his own neighborhood.
I'm not ready to be 'put out to grass' [='put out to pasture'] just yet.
(..) Good. You have to win. Okay. Deep in the meadow. Under the willow. A bed of grass. A soft, green pillow. Lay down your head. And close your eyes. Don't kill her. You just create a murder. (..)2012 The Hunger Games
(..) I can't. Just try. Just try. Deep in the meadow. Under the willow. Hop in the grass. A soft green and pillow. You remember that song? Ok. You finish it. I gotta go. (..)2012 The Hunger Games