risk winding up pushing up grass in the Tinnicum Swamps out by the airport, if something went wrong.
This vivid phrase captures an underlying realism about the stakes involved in certain dangerous endeavors. The imagery of "pushing up grass in the Tinnicum Swamps" is a metaphor for death, evoking the notion of being buried or laid to rest outdoors in a remote, perhaps unceremonious setting. It reflects a candid acknowledgment of the ultimate risk one may confront if a situation goes awry—possibly martyrdom or a fatal accident. The swamps...