To celebrate the BBC's new two-part animation of Roald Dahl's Revolting Rhymes, the Roald Dahl Literary Estate launched a poetry competition with a twist, asking chiddlers far and wide to submit their most revolting - and humorous rhymes. We were inundated with thousands of disgusterous entries! To discover our winners, we waded through burps, farts and rotten eggs; bogies, vile stew and goo to…