The opposite of a matchmaker.
Someone with nothing better to do than break up a couple or at least make mischeif, make problems, or make matters worse for them.
Usually someone is an anti-cupid because the he/she is an ex, holds a grudge, or maybe even has no reason at all.

Anti-cupids are often people a person or their significant other considers a "friend".
I'm tired of you being a jerk to me! You've been lying about me to my boyfriend by saying that I've been talking bad about him and that I've been flirting with my ex!! You're such an anti-cupid!!!
by The Girl Without A Name April 30, 2008
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