noun. the dramatic human reaction (horror, fainting, vomiting) to something inherently disgusting or threatening.
According to Julia Kristeva, it is caused by a breakdown in meaning caused by the loss of distinction between subject and object, or self and other.
Something that causes abjection is described as 'abject' (adjective). It can also be reffered to as 'the abject' (noun).
That decomposing corpse causes sever abjection!
Her abjection consisted of projectile vomiting.