As a hiring manager, you probably already think you've seen it all - from the wacky to the downright disrespectful job candidates. Chances are, you take into consideration the fact that even the most confident among us can be flustered by a job interview. But we're guessing that you've never encountered anything like the recruits in this rogue's gallery of the 10 worst-ever job candidates. In a survey conducted online within the U.S. by Harris Interactive for CareerBuilder, more than 2,400 hiring managers shared the most atrocious mistakes job candidates made in interviews. "The good news is that the number of open jobs continues to improve month over month; however competition will remain high for some time to come," says Rosemary Haefner, vice president of human resources for CareerBuilder. How candidates handle themselves in interviews can be your deciding factor between two otherwise equally qualified people. "The goal of any interview is to stand out from the other candidates and ultimately land the job, but make sure you stand out for the right reasons," Haefner says. See how these 10 outrageous blunders and interview gaffes stack up against what you've seen.