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.
(..) (IMITATING LAWNMOWER WHIRRING) This is real 'cause I'm making the motor noise. (IMITATING LAWNMOWER WHIRRING) Hey there, Stewie. Finally cutting that grass, I see. (LAUGHS) Well, if someone had returned my mower when they said they were going to, I would've done it weeks ago. (..)2020 TvShow: Family Guy Title: Movin' In (Principal Shepherd's Song) Season: 18 Episode 20