You oughtta know.
Temper, temper. Republican John McCain is known for his. He's been dubbed "Senator Hothead" by more than one publication, but he's also had some success extracting his hatchet from several foreheads.
Even his Republican Senate colleagues are not spared his sharp tongue.
"F--- you," he shouted at Texas Sen. John Cornyn last year.
"Only an a------ would put together a budget like this," he told the former Budget Committee chairman, Sen. Pete Domenici, in 1999.
"I'm calling you a f------ jerk!" he once retorted to Iowa Sen. Chuck Grassley.
The political landscape in Arizona, McCain's home state, is littered with those who have incurred his wrath. Former Gov. Jane Hull pretended to hold a telephone receiver away from her ear to demonstrate a typical outburst from McCain in a 1999 interview with The New York Times.
McCain has even blown up at volunteers and, on occasion, the average Joe.
He often pokes fun at his reputation: "Thanks for the question, you little jerk," he said last year to a New Hampshire high school student wondering if McCain, at 71, was too old to be president.
Other times, his ire is all too real. This has prompted questions about whether his temperament is suited to the office of commander-in-chief or whether it might handicap him in a presidential campaign against either Barack Obama or Hillary Rodham Clinton, who are not known for such outbursts.
"I decided I didn't want this guy anywhere near a trigger," Domenici told Newsweek in 2000.