Noun

2. An automobile or other vehicle

   • Like my new wheels?
   • rolling 18 wheels

3. Well-developed thigh muscles.
   • 1999 March 22, “OB205”, "Re: Freakiest Bodybuilder?", misc.fitness.weights, Usenet

     Martin: Just for legs, Tom Platz in his heyday has never been approached.

     OB205: I totally agree with this, even to this day no one can beat those WHEELS!

   • 2004 December 28, Mark Jenkins and Jeff O’Connell, The Jump Off: 60 Days to a Hip-Hop Hard Body, page 76, HarperCollins

     But Mary J. goes all-out during big leg day, and look at her wheels—toned but very feminine.

   • 2006 April 30, Jim Stoppani, Encyclopedia of Muscle & Strength, page 131, Human Kinetics Publishers

     ...try this big wheels program to pack on muscle to your quads and hams.