1.VerbTo bypass a prescribed route so as to gain competitive advantage or to circumvent traffic signals or other rules of the road.
2.VerbTo do a less-than-thorough or incomplete job; to do something poorly; to take inappropriate shortcuts.
"The guy who built the fence cut corners when sinking the posts, and the fence fell over in the last storm.; Do you know why Wendy's has square burgers? Because they don't cut corners."