Wiktionary
hang tight
vb. (context chiefly imperative English) To remain in one's current location.
Usage examples of "hang tight".
I wonder if he'll smoke him, salt him, or just hang tight and tough it through.
If you can learn not to jump when the firecracker goes off - or whatever the surprise is - you stand a good chance of being able to hang tight until the emergency is over.
If you can learn not to jump when the firecracker goes off -- or whatever the surprise is -- you stand a good chance of being able to hang tight until the emergency is over.