let me smell yo dick

When your girlfriend believes you to be cheating so she asks to smell your dick to see if it's been undid another female

Boi you betts let me smell yo dick if you gon be sneakin in the house at 4 am sayin you went to tha store

let your wiener do the walking

To let your sexual-attraction to an individual hinder your judgement of them.

"You let your wiener do the walking, and now I'm dead!"
-Rick Sanchez

I'm gonna let you finish

A way to let a person know their turn speaking is over.

"I'm so sick of your business. I pay my bill every month and all you do is rob me blind.."

"..and I'm gonna let you finish, but I'm going to step in here really quick."

Let's put the head back on the chicken

When something has gone out of direction or purpose (like a headless chicken) it's time to put the headback on the chicken.

We have lost track of our followers and are starting to lose them – Let's put the head back on the chicken

Let out my Snoop Dog

Snoop Dog, shit, doing a shit, shitty, not good, poor effort

I was working out and I suddenly had to let out my snoop dog before I could carry on

Let Papyrus Say Fuck Day

Celebrated every June 16th. Used to reject the idea that Papyrus from Undertale is too innocent to say “fuck” and is easily corrupted. Papyrus is drawn/written doing things like arson, gambling, or, as is the namesake, saying fuck.

Person 1: Why are you drawing Papyrus robbing a bank and swearing?
Person 2: It’s Let Papyrus Say Fuck day!

Let the brown bear out of the cave.

The act of having a bowel movement. The idea being that the anus is synonymous with a dark cave, and the fecal matter being brown, is synonymous with a bear.

I will be in the bathroom for a while, I need to go let the brown bear out of the cave.