This term was coined after watching the movie Little Miss Sunshine and is used to describe having to push or roll start your manual transmission vehicle to get the engine started.
Ami: Oh my god. Frikking battery has died again!
Trav: Well we have two options. We can call RACQ or we can Little Miss Sunshine it!
Ami: I don't have an hour to wait for a jumpstart. Let's Little Miss Sunshine it!