Could they really be expected to 'live off the land', hoping to stumble upon some isolated human outpost every night?
Unless Romney badly stumbled, there was not going to be room for Huntsman—and Romney did not stumble.
Afterward, stumble out into North Beach and walk it off on a stroll down to the Wharf.
c.1300, "to trip or miss one's footing" (physically or morally), probably from a Scandinavian source (cf. dialectal Norwegian stumla, Swedish stambla "to stumble"), probably from a variant of the Proto-Germanic base *stam-, source of Old English stamerian "to stammer," German stumm "dumb, silent." Possibly influenced in form by stumpen "to stumble," but the -b- may be purely euphonious. Meaning "to come (upon) by chance" is attested from 1550s. Stumbling-block first recorded 1526, used in Rom. xiv:13 to translate Greek skandalon.
To cast or record fraudulent votes in an election (1854+)