The quote was: "What're you going to do? Sucker me to death?"
Great fun to write, you should try this challenge! It can be found here (without the spaces): www . fanfiction .net/topic/44309/17264478/1/
Draco stared at Harry Potter, not daring to believe his ears. Surely… no, it was preposterous. He must have heard incorrectly. Harry Potter, The Boy Who Lived, universally adored and almighty Gryffindor hero couldn't be…
"Your Animagus… is a squid." The blond repeated slowly, repressing the laughter that threatened to slip through his carefully constructed façade.
Potter looked defensive. "And what's yours, Malfoy, a slug?"
"You'll never know, Potter." Draco sneered, perilously close to the edge of hysteria. In truth, he hadn't yet mastered the skill of an Animagi. But Potter would never find that out.
"Malfoy, I'm going to kill you." The bespectacled boy said angrily, wand at the ready. Draco couldn't take it any more. A shriek of laughter burst from his lips and his cackles would have put a fairytale witch to shame. He bent over, clutching at his stomach, hoping very much that his adversary wouldn't exhibit Slytherin traits and choose this moment to attack.
"Wh… what're you going to do, Potter," He wheezed in between screeches, "Sucker me to death!?"
--
Half an hour later, a very sodden and no longer laughing Draco Malfoy clambered out of the lake, spluttering water and cursing all skinny black-haired Gryffindors whose name started with 'H' and ended with 'Arry Potter'.
"You'll pay for this, Potter!" He yelled, shaking his fist at the rippling waters. A tentacle waved mockingly back.
Outwitted again. Curses.