mixing flavors 

to have sex with one person and shortly after have sex with a different person.

G: not gonna lie homie, I fucked Susie last night. JJ: man...not gonna lie I fucked her right before I left. G: that bitch mixing flavors!

mixing flavors by yagirlsusie August 7, 2011

Mixing the Koolaid 

Having sexual relations with a woman on her menstrual cycle.

"Hey man, what's wrong?"
"Last night I ended up mixing the koolaid..."

Mixing the Koolaid by VioLink36 April 22, 2015

mixing and mastering 

Listen to music on drugs, then you'll understand.

"Hey Miles, what's mixing and mastering?"
"Well Conner, mixi--"
"Is it when you feel the music move around between your ears?
It feels like it. Let's look it up on Urban Dictionary."
*types 'mixing and mastering' into Urban Dictionary*
"Hmm, seems like it's not here. Wait we can define it!? ...

And would you look at that. You my friend, have entered the Twilight Zone.

mixing and mastering by TheRealMrTopsyKretts February 14, 2017

Mixing the Creamer 

A boy masturbating as used in Awkward. Season 3, episode 5.

Jenna: "Why is Matty always in the bathroom?!"
Kevin: "Boys have needs! Ya know, mixing the creamer."

Mixing the Creamer by thenewcanaanlife June 2, 2014

mixing the paint 

Sticking it one hole then the other.

Mixing the paint is not a rusty trombone...it's the other hole.

mixing the paint by Towely_jr December 3, 2013

Mixing the muffins 

when a male specimen inserts their sausage up the female specimens peach and inside their muffins making and mixing it around, just like one is mixing the muffins in baking. This is called mixing the muffins

johny: ohhhh yeah keep mixing the muffins
bobby:I willlllllll

Mixing the muffins by yeah the yobbo chats June 11, 2019

Mixing cement

Is when you’re so scared of getting raped in prison, that you don’t wipe your ass for 10 years, in hope that it will Scare off potential diddlers. But what happens to you, is you’re held down while Six guys Bukakake your well crusted ass. In preparation for Imminent destruction.

“Hey boy, you’re gonna pay for taking my waffle at breakfast. It’s time time for mixing cement”.

Mixing cement by Peanut mud butt November 2, 2020