have one 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.
See also: have, one, oven
Farlex Dictionary of Idioms.

have one in the oven

Fig. to be pregnant with a child. She's got three kids now and one in the oven.
See also: have, one, oven
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • have a bun in the oven
  • oven
  • one in the oven
  • piping hot
  • 1FTR
  • as one door closes, another (one) opens
  • as one door closes, another one opens
  • as one door closes, another opens
  • all's one to (one)
  • (one) could use (something)