When a person is acting incest or has incestuous tendencies.

How insestial retards who unfortunately ventured out of a vagina in a southern state pronounce "Alabama".

And I want to be free

slang to have sex with ones family/2nd family member

When you come into the room jump in the air as a land dolphin would while making a humping motion then cut your unwilling sacrifices face off and wear it around the house while masturbating to the weather girl