let rip | let something rip
idiomPart ofrip
let rip | let something rip — idiom
1. To allow something, like a vehicle or an engine, to operate at its maximum speed
1.idiom
Definition
To allow something, like a vehicle or an engine, to operate at its maximum speed or power.
Example
On the empty highway, Tom let rip and reached 120 miles per hour.
Dad let the motorcycle rip down the straight road.