Definitions

1. noun

A person, often a male, who is overly aggressive or competitive in pursuing romantic or sexual relationships, especially through the use of charm, flattery, or other manipulative tactics.

“He was labeled a horndog for constantly hitting on women at the party without regard for their feelings.”

2. noun

A male who is excessively interested in or obsessed with sex or romantic relationships.

“The horndog in the office would often spend his lunch breaks browsing dating websites.”

3. adjective

Describing someone who is overly aggressive or competitive in pursuing romantic or sexual relationships.

“He was a total horndog and would not take no for an answer.”