n- Sexual Gratification or Erotica involving ponies, specifically ponies seen in My Little Pony: Friendship is Magic. Generally, the person masturbating to pony erotica is considered the Clopper.

A Brony who is into the ponies of the show on a more sexual level than a normal Brony.

Cloppers are fans, who "fap" to the animated TV series My Little Pony - Friendship is Magic./Equestria Girls.
It doesn't matter if they "clop" directly to the series or to fan-made Rule 34 material of the show.

A small portion o the Brony community who makes, supports, and watches 'clop.' 'Clop' is another word for pony porn.

A clopper is male who jerks off to my little pony porn on the regular

Someone who watches My Little Pony porn.

1. A brony that forced My Little Pony porn onto other people, especially when it is unwelcome.
2. A stain on the brony community.
3. A self entitled asshole
4. An individual who's purpose in life is to ruin My Little Pony of other people.