A huge fly commonly found near horse dung.
That fly was as big as a horse. It was a horsefly.....
by J. Wright January 20, 2006

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Top Definition
a guy that just doesn't take the hint after being rejected and follows you everywhere - to the point where all you can think of is how to get rid of him

closely related to: bamsee fly
Mike turned out to be a stalker. Where ever I go, he's there!

I told you he's a horsefly...
by powderaddicted June 13, 2010

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A large insect that will bite you at the first opportunity. They are a half inch to an inch long, triangular, and carnivorous. When they bite you they take out a chunk of flesh and inject venom. The area around the bite will hurt for around five days.
Sarah got bitten by a horse fly, and found it painful to walk for a week.
by feesdanse May 07, 2011

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a guy that doesn't take the hint and follows you everywhere - to the point where it gets so annoying that all u can think of is how to get rid of him

closely related to: bamsee fly
he's such a stalker- where ever i go he's there! it's like having a fucking horsefly around!
by powderaddicted June 13, 2010

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A person who thinks horses are fly. Or a person who is obsessed with horses.
That girl Kelsey is a horsefly!
by bvrunner32 January 21, 2009

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A man who enjoys sex with horses.
That Horse fly over there is fucking that horse in the ass.
by Texyriffic November 12, 2010

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