Initialism of date of birth.
"The artist carefully applied a dob of white paint to the corner of the canvas to create texture."
A small amount of something, especially paste.
In plain English: A dob is a tiny bit or dab of a substance.
"She applied a dob of glue to secure the photograph in the album."
Usage: Use "dob" to refer to a tiny quantity-often a dab or dollop-of a sticky substance like paste or glue. It's an older term, less common than "dab," but still occasionally found in British English.
To report (a person) to someone in authority for a wrongdoing.
"After reciting the Scout Law at our campfire meeting, every boy and girl took turns chanting Dob to promise they would try their hardest to live by its rules."
In the scouting movement, to chant dob to indicate that one will do one's best to follow the scouting laws.
In plain English: To "dob" means to declare you'll try your hardest to uphold scout values.
"The new scouts eagerly chanted "dob" after reciting their promises."
Usage: Primarily used within Scouting, "to dob" means to declare your commitment to upholding the Scout Laws; it's a verbal affirmation of dedication. You might hear someone say, "I dob!" after reciting the Oath.
Initialism of Daughters of Bilitis. The first organized and successful lesbian liberation organization in the United States.
"The club's flyer proudly featured a logo for the DOB, celebrating its role as America's first successful lesbian liberation group."