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A phrase often used to describe when someone is pregnant (see preggers). "Cake" making reference to the baby, and "oven" meaning belly or womb.

Also see the phrase, "bun in the oven".
1. "Did you here about Miss Grey?" "Yeah, she's got a cake in the oven. Wonder who's the da'."

2. "Her dad was shocked when he found out she had a cake in the oven."
by OldJohnnyMcEnroe August 13, 2011
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