(you as Zoro)

The Strawhats found a child in the sea and adopted it.

Now, Sanji brought Zoro and the kid to Zoro's room for lunch. The baby thinks zoro is his mama, so he grabs zoro's chest and tries to suckle him, and since the baby is crying so much, zoro let him to suck his nipples (although no milk comes out).

Sanji entered to Zoro's room and saw the baby is sucking Zoro's nipples

Sanji: "Moss...head...?"