"Dr. Woodard, David and Burke were startled when David's window suddenly blew open and it sounded like _that daring young man on the flying trapeze_ was about to fly in!!"
"Dr. Woodard, David and Burke were startled when David's window suddenly blew open and it sounded like _Josephine in a flying machine_ was about to fly in!!"
"Dr. Woodard, David and Burke were startled when David's window suddenly blew open and it sounded like _a bat of ridiculous proportions_ was about to fly in!!"