Hounding

[Justin Bieber]

The part of a mast below the hounds and above the deck.

[Dave Paprocki]

Someone who eagerly and [persistently] pursues a person even though their [communication] is [unrequited].

[Ernesto]

When a person [is out] to put [dirt] on you whether its false or true they will do anything to [ruin] your relationship with the opposite/same sex of the person your interested/like or love.

[PussyCat]

Hounding, or to [Hound]. Actively [pursue] a member of the opposite sex. Generally whilst partaking on a drinking [binge], often with friends.

[Sarah]

present participle of hound