{flustered + frustrated}: The state of being pissed off, and doing everything within one's power not to leap across the table and throttle the human source of frustration; when used by a boss describing himself or herself to a subordinate, means "Are you a complete and total moron or just aggressively insolent? We've talked about this seven times."
frustrated-- to keep (someone) from doing or achieving something; to baffle the efforts, hopes, or desires of.
flustered-- to make or become confused.
confused-- mix up mentally; mistake one for another.
Just as Mia thought her near-finished project could please her boss enough to get the promotion, he changed the project focus and pushed up the deadline causing Mia to become very flustrated.
When Lynn told Karl she only wanted to be friends now, then started rubbing his thigh, Karl became quite flustrated.