Pudding-headed

Well, how could I, with all my gifts, make any valuable preparation against a near-sighted, cross-eyed, pudding-headed clown who would aim himself at the wrong tree and hit the right one?

If any of the following whales, shall hereafter be caught and marked, then he can readily be incorporated into this System, according to his Folio, Octavo, or Duodecimo magnitude: --The Bottle-Nose Whale; the Junk Whale; the Pudding-Headed Whale; the Cape Whale; the Leading Whale; the Cannon Whale; the Scragg Whale; the Coppered Whale; the Elephant Whale; the Iceberg Whale; the Quog Whale; the Blue Whale; etc.

Get on Your Bike opens with an argument between friends, during which one is invited to "Just get on your bike and leave!" So that's just what Bobby does - only in his anger and desire to ride swiftly away from "pudding-headed William" he opens doors to new possibilities.