To root for a sweet potato, you hold it upward in your hand & cry out in
its presence: "Hip hip HOORAY. Hip hip HOORAY."

--
"Of what are you afraid, my child?" inquired the kindly teacher.
"Oh, sir! The flowers, they are wild," replied the timid creature.
-from Peter Newell's "Wild Flowers"
See the Garden of Paghat the Ratgirl: http://www.paghat.com/