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
by T0xicdaisies March 27, 2019
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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..."
by Northantsgunner April 26, 2017
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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”
by indaistructable June 30, 2022
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