asstent
A sheet or blanket that that is draped over a small metal structure covering one's bottom, While they under go a proctological examination.
Nurse have you prepped the patient and set up the asstent.
Asstentation
Contraction of Ass + Ostentation. Most notably on social networking sites.
To get likes & followers she would post butt pics ad nauseum in blatant asstentation. I unfollowed.