Escalation

"It's no good, Boss," said the henchman. "We painted over the old words and put up the BEWARE OF DOG sign like you said, but cars still park there." 

Mr Big thought for a moment.

"Hmmm," he replied. "Not terrifying enough. Hand me that Tipp-Ex.." 

After cracking a tooth earlier in the day, I ended up making an unscheduled visit to my dentist. What fun.