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..."

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