To "vamose the ranch" means to clear out, to depart, to cut stick, to absquatulate.
Then when some one laughed she added, "You say 'absquatulate' over here, don't you?"
Prudence warned them to absquatulate, and they determined to cut their lucky, before the inevitable dénouement.
In the 40's to absquatulate was in good usage, but it has since disappeared.
absquatulate was a big word, but she understood it, having come across it one day in the Dictionary.
The hybrid but expressive Americanism absquatulate, means to clear off; the reverse of to squat.
1837, "Facetious U.S. coinage" [Weekley], perhaps rooted in mock-Latin negation of squat "to settle." Said to have been used by the U.S. Western character "Nimrod Wildfire" in the play "The Kentuckian," as re-written by British author William B. Bernard and staged in London in 1833. Related: Absquatulated; absquatulating.