Euphemism or slang meaning to ejaculate. Often seen in extremely literal translations of Japanese doujinshi.
"I can't believe you let it out on me again! Now I'm all dirty..."
by jXtheKidBilly April 17, 2018
Get the Let it out mug.
what u say to the squad when u finna be out
Yo we boucin? - Nestor

Yah, lets be out - Reginald
by TheLightKnight December 17, 2017
Get the lets be out mug.
Let's DD out of here. Let's get out of here. DD referring to 'done deal', meaning problem solved.
Heard mainly from (ex)military.
Thought to of originated out of WW1 military slang among troops overseas.
I'm done with the test, let's dd out of here and head back to my place.

I'm gonna DD an grab some pizza when I get off work.

I just fragged this noob, time to DD outta here an get some armor.
by Necromancer31 February 25, 2012
Get the Let's DD out mug.
"Let it out -- cum !" is what the guy who is jacking you off says to you when he knows you're getting close to blowing your load.
Matt was jacking me off, and when he said "Let it out -- cum !" -- I shot my load everywhere - it hit my face!
by USAF Cadet July 18, 2021
Get the Let it out -- cum ! mug.
The line that ruined the historical accuracy of the 1988 western "Young Guns".
Emilio Estevez: "REGULATORS! Let's rock out!"

Viewer: "Wow... well that was gay."
by BADDA WAM! December 27, 2011
Get the Let's rock out! mug.
This has its origins in London, UK and goes back at least 70 years. I heard it from my Dad and he presumably heard it from his.

It means "to fart" but in a way that is not obvious until the smell hits. The smell is truly criminal, hence the possibility in the eyes of the beholder that its origins may have included a victorian detention centre.
Cheez, lad. Did you just let Tommy out of Prison?

Goldfinger turned on the laser. "Do you expect me to talk?" demanded Bond. "No Mr.Bond" laughed Goldfinger, "I expect you to... fuck me, have you let Tommy out of Prison?"
by goody5 December 9, 2010
Get the Let Tommy out of Prison mug.