devils cup 

When you mix a bit of all the alcohol in sight into one solo cup and proceed to chug it and bring chaos wherever you go.

Drinking a devils cup on your best friends birthday may lead to you breaking your leg

devils cup by T0xicdaisies March 27, 2019

devil's cup 

A hot chick that has herpes but is potentially worth the risk of having sex with for bragging rights.

Clever Brian - "That girl is a devil's cup"
Ignorant John - "What's a devil's cup?"
Clever Brian - "It's when a girl has herpes by it's worth the risk"
Ignorant John - "Herpes is for life though Brian"
Clever Brian - "It's called banter John, this is why people don't ask you to come on nights out"
Ignorant John - "Oh..."

devil's cup by Northantsgunner April 26, 2017

Devil’s Cup 

A Devils Cup is a gender inclusive/neutral way to refer to menstrual cups for AFAB people

“How do we market our sanitary cups as trans inclusive?”

“We should give it a non feminine or masculine name, Like Devil’s Cup”

Devil’s Cup by indaistructable June 30, 2022

Devil's Cupcake

When you squirt whipped cream in a hookers arsehole and she then farts it back in your face. Best practiced in kinky, no inhibitions whorehouses.

Man I just did a Devil's Cupcake with Eat and Cake at the Devils Den, shit got nasty

Devil's Cupcake by Thats.mattastic April 21, 2015

Devilscunt 

The part of the vagina that leaks out over time while the vagina is in storage. It's the opposite of the angelscunt which is the part of the vagina that evaporates while being held in storage.

The devilscunt is usually negligible in quantity when compared to the angelscunt.

Devilscunt by X2tb February 14, 2020