have nothing on

verb3

1. •
   To lack an advantage over, to not be in a better position than, to be nonsuperior to.

   • His Mustang has nothing on her Corvette. [ = both cars are fast, and his cannot beat hers, although perhaps her car is not much faster (ambiguous)]
2. •
   To be considerably inferior to.

   • Even the quickest street-legal cars in town have nothing on a Top Fuel dragster. [ = understated sense: a Top Fuel dragster is considerably quicker]
3. •
   To be short of accusatory evidence against (a person).

   • Relax. The cops have nothing on us. All they can prove is that we were in the same town on the same day.
   • “Now you have nothing on me, Senator, except my name on lists of names from Iraq, many of which have been drawn up after the installation of your puppet government in Baghdad. If you had any of the letters against me that you had against Zhirinovsky, and even Pasqua, they would have been up there in your slideshow for the members of your committee today.”