What is Gay Dog?
1.
a dog who likes to hump dogs of the same sex.
look at the gay dog oliver, he's humping freddy.
2.
Someone who is disliked by others and/or by a certain group. Can also mean faggot or any other homosexual insult.
US -Ah! Your just a fucking gay dog
US -Go away dirty old gay dog!
UK -Bloodyhell! Your nothing but a gaydog!
