1. The insides of an infant spread over a large area, i.e. a wall or the ground.

2. Baby poo

3. The remains of a baby after being dropped off a plane.
1. We walked into the room to discover a wall covered in baby splatter.

2. He stepped in baby splatter.

3. After a long walk through the forest, the Jeffersons were shocked to find their car covered in baby splatter.
by SmallPox2601 July 4, 2008
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When a man ejaculates in or on a woman, greatly increasing the chances of making a baby
We were having sex, and I knew I needed the Plan B pill after I felt his baby batter splatter
by AlpacaSheerer February 28, 2021
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