Mom, mom, I want a snack that'll help prevent colon rectal cancer.

And would come to the conclusion that that was when the aliens were taking him and giving him rectal probes.

Three there was a surprisingly long sequence of the film in which the rubber puppet gives Christopher Walken a rectal probe.

In addition to per rectum, as in a suppository, and in the mouth but underneath the tongue. So, enteral routes of administration include oral, PO, rectal, PR, and sublingual.