have a bun in the oven
To be pregnant. You're having a baby shower for Carla today? Wow, I didn't even know she had a bun in the oven.
have one in the oven
To be pregnant. You're having a baby shower for Carla today? Wow, I didn't even know she had one in the oven.
have one in the oven
Fig. to be pregnant with a child. She's got three kids now and one in the oven.
have a bun in the oven
be pregnant. informalhave a ˈbun in the oven
(informal, humorous) be pregnant