let one rip(redirected from lets one rip)
let one rip
slang To fart loudly or profusely. I can't believe you let one rip in the car. Now we have to smell it all the way home!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
let it/'er rip Informal
To allow something to start or happen with vigor or energy.
See also: let
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.