To abandon someone without warning.
To miss school, play truant, play hooky.
To crash or glitch.
To leave (a place) hastily.
To freak out, to go crazy, e.g. from worry.
To cause to bulge.
A rapid retreat, a rout.
To abandon someone who is in need or in danger, especially a colleague or one dependent.
Used other than figuratively or idiomatically: see hang, out, dry.