Ronnie distracting the troll while under the Invisibility Cloak.
"Er, I am your conscience! You are a bad troll! It is not nice to go hitting people who are smaller than you, and you should let that poor boy go at once! Remember what your dear old Mum told you about - AIIIEEE!"
Weasley Girl: Secrets of the Past
Vernon Dursley thinking that Harry was starting a harem in his house when he finds out about Ronnie and Ginny.
"SO THAT'S YOUR PLAN, IS IT, BOY?! CORRUPTING DUDLEY, DRAGGING HOME A BUNCH OF HALF-NAKED -!"