let it rip

let her rip

1. Let it go; start it up. "Her" is used in the same way that some ships and machines are referred to as female. OK, the rocket is ready to launch. Let her rip! I replaced the spark plug, so go ahead and let her rip so we can see if there's any difference. We've spent so long working on this ad campaign that I'm excited to finally let her rip.
2. To do something without inhibition or restraint, typically with great enthusiasm or force. Wow, did you see that kick? He really let her rip. When I'm writing a first draft, I like to just let her rip and not worry about typos or grammar.
See also: let, rip

let it rip

1. Let it go; start it up. OK, the rocket is ready to launch. Let it rip! I replaced the spark plug, so go ahead and let it rip so we can see if there's any difference. We've spent so long working on this ad campaign that I'm excited to finally let it rip.
2. To do something without inhibition or restraint, typically with great enthusiasm or force. Wow, did you see that kick? He really let it rip. When I'm writing a first draft, I like to just let it rip and not worry about typos or grammar.
See also: let, rip

let it rip

Also, let her rip. Go ahead, proceed unchecked. For example, Once you get the tractor started, let it rip. The use of her in the variant comes from a tradition of referring to vehicles as feminine. [Mid-1800s]
See also: let, rip
References in periodicals archive ?
Smith, the pediatrician, knows that age limits sound a little hard core for some youngsters who just want to let it rip, but said it's a guideline to use in making choices.
With goggles on, the boys did a NASA-like countdown and let it rip to the exploding applause of bystanders as the projectile landed just inches from the target's center.
Bening really gets a chance to let it rip here, though, as Claire is pushed to the outer edges of stress and sanity, then forced to call up all the seductiveness she can muster when finally confronting her tormentor in the flesh.