this is no joke:
so my anatomy teacher starts of the day by holding a cucumber and saying
"oh oh oh, to touch and feel very green vegetables, ahhhh"
its a mnemomic device to memorize the cranial nerves in order:
olfactory optic oculomotor trochlear trigeminal abducens facial vestibulocohlear glossopharyngeal vagus accessory hypoglossal
either some horny college student or lonely old lady came up with this...