Top definition
Confusion and short term memory loss that happens during pregnancy.
"Hey placenta brain, what's the soap doing in the fridge?"

"My wife is such a placenta brain. Yesterday I caught her eating chalk. She said she needed the calcium."

"I gave a presentation to a group of women when I was pregnant. And I forgot my name! Must be the pregnancy brain."
by stephjk June 03, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug