The phrase "dirty looks" refers to unpleasant facial expressions or stares that communicate disapproval, anger, or judgment towards someone. Full definition
We can change the world for one person - if each morning you give dirty looks to someone on the way to school - just stop doing that from the morning. (tes.com)
Still, the kettlebell collection, med ball, hand weights and rest of my at - home workout gear has been getting its fair share of dirty looks from me lately. (pumpsandiron.com)
I get dirty looks from the moms all the time but I've learned to ignore them. (mommyish.com)