I'd have to check, but I'm not sure "I hope you like to jump" was a line that Maurice Sendak wrote. Maybe it was cut from the original manuscript. Maybe this is canon and I just don't know it.
Then again, this isn't Where the Wild Things Are, after all; it's Where the Wild Things Are: The Movie: The Videogame. In which you fight bugs and, like all good members of gaming royalty, swing from poles. BOOM video 2612