Wiktionary
high-tail it
vb. (context idiomatic English) To hurry or run; often, to flee.
Usage examples of "high-tail it".
To keep Monro busy, I said, 'We can wait here until the bears go away, then I think we should high-tail it outta here.
We were just about to high-tail it over here when Yoshima busted in with his guards and started yakking about he was going to search this hut - one of you was supposed to have a radio in a water bottle - how crazy can you get?