running around

1.) Verb, to run, to go quickly by moving the legs more rapidly than at a walk and in such a manner that for an instant in each step all or both feet are off the ground. 2.) To run around on' a boyfriend/girlfriend, or wife or husband. To see another for romantic or sexual reasons. 3.) To give the run around, to tell someone something not entirely true to lead them to someone else to ask, than to someone else, so the person never gets the right answer.