When a boy or girl is as horny as a male dog gets, when a female dog nearby is in season
Ryan becomes a horndog when cuddling with Dakota
by Schwanyboy June 21, 2015
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When someone is extremely horny at all times of the day.
Josh: Jackson you dated Zoe Coombs
Jackson: shut up Josh you're a horndog
Shuf: that's facts
by jpbruh12 December 9, 2019
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Someone who is almost always horny and is able to crack sexual jokes or hint about sexual activity at almost any time of the day
by babycakes(: March 4, 2008
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A horndog is a horny ass mofo person who feels like fucking anything they see😫
Bro I saw my crush now I feel like a horndog
by Ahajah July 2, 2021
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someone who all they can talk/think about is making out or having sex.
"Oh my gosh. He wont stop talking about making out."
"Eww, Ryan is SUCH a horndog."
by NotReady November 30, 2009
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