Leave hastily, abscond, as in They just skipped out of town. It is also put as skip out on, meaning “desert, abandon” as in He skipped out on his wife, leaving her with the four children. [Colloquial; second half of 1800s]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.