Dadseye - When you and your dad look at each other like you both just

When you and your dad look at each other like you both just saw the same dumb joke

We did dadseye in the kitchen and my brother laughed so hard he fell off the chair.

At the park, my dad and I did dadseye and it scared a pigeon.

During math class, my dad and I did dadseye and the teacher called us out.