Hermione gave the Twins a fish eye.
"Just having a bit of fun," George said with a shrug of his shoulders.
"Is it too much to ask for details?" she quietly asked.
Daphne chuckled, and took the lead on explaining the Twins' latest business venture.
"Somebody pranked the entire Slytherin house," she began to explain. "Nobody has been able to come up with an antidote, but since it appears to be a one-time occurrence for each person, nobody has been spending a whole lot of time on a cure for blinding farts."
"At least not outside of Slytherin House," Harry chimed in.
"So the wagering?" asked Hermione.
"On who is the last to blast."
Hermione marveled at the scheme. "And the professors haven't stopped the bets?"
"Why would they?" George asked. "Especially if some of them have a financial interest involved?"
"Not that we would ever betray the trust placed in us by our (cough) McGonagall (cough) clients," added Fred.