1)short for double blue veiner, when one becomes so engorged that two blue veins can be seen clearly in dim lighting. Often used as a metaphor for great achievement.
2)The 23rd letter of the alphabet, spoken by someone with a fat lip or recent dental work.
1)When Martha hobbled into the room in her leather cap and boots, Jacob produced his first double blue since the great depression.
2)Beth believed Iwo was proclaiming his love for her after their passionate night of karaoke and love-making, but he was simply spelling his name. She was blissfully unaware of the root canal he had gotten just prior to their date, and suggested he attempt to give her a pink sock, with his small but insistant double blue.