N. An exit maneuver that is performed after walking into an awkward or otherwise undesirable situation. It consists of walking or scuffling backwards while undulating the arms along the anterior region of the transverse plane, imitating the way the chambered nautilus swims. A person performing the reverse nautilus will try to forget what has been seen.
V. To do the reverse nautilus.
N. When I saw my little brother masturbating, I did the reverse nautilus.
V. Last night I ran into my roommate having sex, and I promptly reverse nautilused out of there.