Quick definitions from Wiktionary (thin blue line)
▸ noun: (colloquial) The police.
▸ Words similar to thin blue line
▸ Usage examples for thin blue line
▸ Words that often appear near thin blue line
▸ Rhymes of thin blue line
▸ Invented words related to thin blue line
▸ noun: (colloquial) The police.
▸ Words similar to thin blue line
▸ Usage examples for thin blue line
▸ Words that often appear near thin blue line
▸ Rhymes of thin blue line
▸ Invented words related to thin blue line