Over-index
To devote an irrational amount of strategy and budget to an incredibly niche demographic because a single spreadsheet cell turned a slightly darker shade of green.
What they actually mean
"I have found a tiny, meaningless pattern in the data and I am going to build my entire quarterly review around it."
Heard in the wild
"We really need to over-index on left-handed artisanal bakers in the mid-Suffolk region this autumn."