When someone is pregnant, typically with more than one child when "buns" is plural. See also bun in the oven.
by mehtyn May 8, 2018
 Get the buns in the ovenmug.
Get the buns in the ovenmug. Pregnant. The idiom bun in the oven refers to pregnancy. The “bun” is the baby, and the “oven” is the mother's womb. Perhaps it alludes to the warmth and shelter the mother's womb provides.
Teacher: "Kids, I have a Bun in the Oven"
Kids: "YAY, I WANT A BUN! GIMME"
Teacher: "I'm Pregnant."
Kids: "AW I WANTED BUNS!"
Kids: "YAY, I WANT A BUN! GIMME"
Teacher: "I'm Pregnant."
Kids: "AW I WANTED BUNS!"
by The Internet Is Porn December 18, 2019
 Get the Bun in the Ovenmug.
Get the Bun in the Ovenmug. by ubi1216 February 11, 2015
 Get the a bun in the ovenmug.
Get the a bun in the ovenmug. when a gurl is prengant.
by 'lil keep' September 4, 2005
 Get the bun in the ovenmug.
Get the bun in the ovenmug. by Fred October 11, 2003
 Get the bun in the ovenmug.
Get the bun in the ovenmug. I don't know if my urbandictionary.com readers know this, but the expression a bun in the oven actually comes from Mario Puzo's The Godfather
by Sexydimma  January 23, 2015
 Get the a bun in the ovenmug.
Get the a bun in the ovenmug. Any illegal immigrant woman carrying a bun in the oven who comes to the United States solely to give birth to an  anchor baby, well her offspring shouldn't receive automatic birthright citizenship.
by Sexydimma  March 6, 2016
 Get the carrying a bun in the ovenmug.
Get the carrying a bun in the ovenmug.