Wiktionary
red ball
a. (context railroads English) Of or related to priority freight or the trains that carry it. alt. (context police slang English) A high-profile high-priority case which draws political or media attention. n. (context police slang English) A high-profile high-priority case which draws political or media attention.
Wikipedia
Red ball
Red ball may refer to:
Usage examples of "red ball".
The trios of delicate and exotic red balls swayed from a glittery triangle of silver.