When someone is consistently asking for nude and or inappropriate pictures usually on Snapchat. Most commonly boys aged 13-18 will be called a horn dog because of there constant demand for nude pictures
by Nelly1345 July 1, 2018
A horn dog is someone who has colored hair(typically purple) and is always horny. Although, they will oftenly share with people they are a horn dog for.
by BigManWhoCame November 15, 2021
Someone who doesn’t care about friendships and dates their friends love interest because they’re horny.
I can’t believe Pablo talked to the girl you liked even though you told him not to, he’s such a Horn-Dog.
by Cheech LLC February 6, 2020