Step on it Definition 1 of 2Pro Tip 1/3Urgency Expression Used to express urgent haste, especially when time is critical. The meeting starts in 5 minutes, step on it! Pro Tip 2/3Informal Directive It's an informal directive, not suitable for formal situations or with authority figures. Please step on it, we cannot miss this flight. Pro Tip 3/3Metaphoric Urging Though it implies speeding, it's often used metaphorically to mean 'do anything faster'. We won't finish on time if you don't step on it.