Combination of imbecile and asshole. Often used on brain dead morons too stupid to realize they have been grievously insulted. Perfect to use when someone cuts a line in front of you or runs into you because they were playing with their phone and not paying attention to where they were walking.
The way Mets' GM Omar Minaya says "investigate." This can be noticed during the investigation of Mets' VP of Player Development Tony Bernazard's deplorable action to several Mets players.
When asked about the situation, Omar Minaya replied, "I think what we're going to have to do is imbestigate."