Such a burden

A relatively tame and casual dismissal of a third party for their tiresome personalities or actions; typically used by passive aggressive people who are too polite to directly vent their frustrations

N: Did you hear that Vinay did none of the allocated group work for today's seminar?
M(internally): That fucking asshat tryna screw over all our lives with his incompetence
M: I know dude, he's "such a burden "