Horndog Share definition Flag Horndog is a man who tries to have sex with every person he sees (besides kids) "Man, Dave is such a horndog" "Yea bro I know he tried to get with my girl? Horndog by Bigdaddymonstercockishot July 11, 2022 0 0 Get merch Get the Horndog mug. Buy Now — $32.95 See more merch