Spaceballs (which has way too many to just pick one):
(after President Skroob tells them to comb the desert for the Princess)
Dark Helmet: "Found anything yet?"
Two white soldiers with giant comb: "No sir."
Dark Helmet: "And you?"
Two more white soldiers with giant comb: "Nothing yet sir!"
Dark Helmet: "What about you guys?"
Two black soldiers with giant afro pick:
"We ain't found shit!"