A person, usually a guy, who is constantly aroused and sexually excited. Someone who masturbates to porn regularly, and in many cases, is going through puberty. Not uncommon for him/her to get very touchy around people of the opposite sex.
Horndog: Dude!!... that chick has great tits!! You gotta feel them!!
Dude: Man tell me how you know that!!
Horndog: Cuz I always bump into her by mistake in the hallway!! And she never notices a thing!!
Dude: That's pretty smart man!! That's a pretty good trick for a guy like you.. Too bad that's the furthest you'll ever go with her..
Dude: Man tell me how you know that!!
Horndog: Cuz I always bump into her by mistake in the hallway!! And she never notices a thing!!
Dude: That's pretty smart man!! That's a pretty good trick for a guy like you.. Too bad that's the furthest you'll ever go with her..
by Hornmeista May 18, 2008
 Get the horndogmug.
Get the horndogmug. by kewl kid 8637 April 9, 2017
 Get the Horndogmug.
Get the Horndogmug.  Get the horndogmug.
Get the horndogmug. 1) One whoes hormones are extra active towards sexual desires.
2) A dog that has a horn attached to its nose.
2) A dog that has a horn attached to its nose.
by B. Manley January 23, 2008
 Get the Horndogmug.
Get the Horndogmug. by HentaiConnoisseur13 December 15, 2019
 Get the Horndogmug.
Get the Horndogmug. by RAYRAY <333 July 3, 2022
 Get the Horndogmug.
Get the Horndogmug.