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.
(..) this remote from my hand... you will be ready to choose the channels we watch. Try to snatch it. Aah, fuck! Patience, young grass smoker. Patience. Welcome to the gig simulator. If you pass this test, your training is complete. You will be ready to audition (..)2006 Tenacious D in the Pick of Destiny