"Standpoint epistemology" is also pretty high up the list, at least since the period when twitter got hold of it
Olúfẹ́mi O. Táíwòthere are a lot of philosophical concepts that get egregiously misused out of the seminar room (and in the seminar room, to be fair). but in terms of sheer pernicious misuse "social construct" has gotta be top 5 somewhere and it's not number 5