catch a case

build a case

to compile evidence that supports a charge against someone.

case the joint

To thoroughly observe or examine a place, in order to familiarize oneself with its workings in preparation for criminal activity, often robbery.

catch a body

to kill, to murder

catch a break

To experience the minimal amount of good luck or a favorable outcome.

catch a cold

To contract a cold.

catch a date

Of a prostitute, to secure a client who is willing to pay for services.

catch a fade

To get knocked out (struck and rendered unconscious).

catch a falling knife

To buy a financial instrument whose price is falling rapidly.