Hermione Granger: How'd you get away?
Ginny Weasley: Puking Pastilles. It wasn't pretty.
Ron Weasley: Told them I was hungry and wanted some sweets. Of course, they told me to bugger off and ate the lot themselves.
Hermione Granger: [shocked] That was clever, Ron!
Ron Weasley: It's been known to happen.