tight spot

hang tight

To wait, without attempting to address a challenging, alarming, or dangerous situation, until a later point in time.

hit the spot

To be particularly pleasing or appropriate; to be just right.

sit tight

To wait patiently; to take no action; to remain quiet or relatively motionless.

soft spot

A sentimental fondness or affection.

spot check

A cursory inspection or examination, especially of a sample of something.

spot of bother

A slight problem; a small predicament.

tight lips

Of a person, silence or reticence.

tight ship

A well-organized and highly disciplined organization.