that's racin' (phrase): Expresses frustration or emotion. 1. When a small part costing just a few dollars fails and stops a $150,000 race car, that's racin'. 2. When you race a competitor for 500 miles and lose to him by just a few feet, that's racin'. 3. When a hot dog wrapper blows out of the stands, gets caught across the air vent on the front of your car and causes your engine to overheat, that's racin'.