U

high-tail

verb (used without object) Informal.

to go away or leave rapidly: Last we saw of him, he was hightailing down the street.

Idioms

hightail it, hurry; rush; scamper: Hightail it down to the grocery store and buy some bread for lunch.

verb

(intr) informal, mainly US and Canadian to go or move in a great hurryAlso: hightail it

also hightail “move quickly,” attested by 1890, U.S. slang from cattle ranches (animals fleeing with elevated tails); from high (adj.) + tail (n.). Related: Hightailed; hightailing.