Blue Muff 

A female version of blueballs, When a female gets sexually excited without any sexual contact that night

"I was grinding at the club all night with this guy and he left me with blue muff"

Blue Muff by Hillbilliedeluxe December 16, 2008

Blue Muffin 

The male equivalent of a Blue waffle.

Type this

enpoe.com/info/click-here-for-blue-waffle-disease-pictures

Girl 1: I heard you did mark last night. How was it?
Girl 2: Horrible he has blue muffin now i got Blue Waffle!!!

Blue Muffin by UnderrCoverr April 26, 2010

blue-berry muffin 

it's the excuse one uses when asked about the dark bruise on one's lip - a lip hickie - you can also claim that you have accidentally bit a pen and it's actually ink on your lips

Shit,look at that blue-berry muffin on that girls face!
Yo, is that ink on your lips?

blue-berry muffin by thecreeper August 7, 2006

peel his muffin cap back blue 

the art or cutting a mans dickhead off, preferable with a prison shank seeing how that where this saying came from

peel his muffin cap back blue
peel this motherfuckers muffin cap back blue.

o

peel his muffin cap back blue by smoke weed till ur lungz bleed July 7, 2011

Peel his muffin cap back blue 

The act of performing a right hook punch to someones forehead until it breaks the skin causing massive swelling to the to the head, giving the victim the appearance of having a muffin for an upper skull.

"There's no way those two Nigerians would have let him survive a fight, they would peel his muffin cap back blue!"

Peel his muffin cap back blue by Andromeda Delux February 20, 2019

Muffin cap back blue 

When you tell a nigga you gone peel his muffin cap back blue, that means his pussy stank!

I had to get that nigga some douche cuz his muffin cap back blue.

Muffin cap back blue by Vuhguyna November 6, 2021