head for the hills

[English Learner]

English Language Tests, Intermediate level

ESL/EFL Test #369 "English Slang Idioms (90)", question 8

"Mom knows that you stole five dollars from her purse. When Dad finds out, it will be over for you. You'd better ......... for the hills," his older brother told him.

(a) ride
(b) hike
(c) head
(d) live

English Language Tests, Intermediate level

ESL/EFL Test #369 "English Slang Idioms (90)", answer 8

"Mom knows that you stole five dollars from her purse. When Dad finds out, it will be over for you. You'd better head for the hills," his older brother told him.

Correct answer: (c) head

Your answer was: incorrect
"Mom knows that you stole five dollars from her purse. When Dad finds out, it will be over for you. You'd better hike for the hills," his older brother told him.
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what is the meaning of this idom in other words .

[Beeesneees]

head for the hills - make yourself scarce /get out of here.
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Cheers m' dears!