It's so incestuous.

It's too tortured and incestuous.

Because of our incestuous dating history.

Good god this campus is incestuous.

It's a little incestuous, isn't it?

This town is way too incestuous.

With undertones of subconscious incestual desires.

You, a descendant of generations of inbred, incestuous mental defectives,

You, descendant of inbred generations of incestuous mental defectives...

So you and your... ...gay incestuous lover killed him.