Wiktionary
hightail it
vb. (context idiomatic English) To hurry or run; often, to flee.
WordNet
hightail it
v. flee; take to one's heels; cut and run; "If you see this man, run!"; "The burglars escaped before the police showed up" [syn: run, scarper, turn tail, lam, run away, bunk, head for the hills, take to the woods, escape, fly the coop, break away]