Can also be used as an insult to someone who is seriously fat.
Stop being such a Jay, and let go of that 3 gallon tub of ice-cream!
Nick: "Yeah his name is Jay, he's really good."
Victoria:"And he's so hot!! Jay is such a jay!"
Enormous penis and stamina of a race horse.
If your with a Jay lucky you you've found your soulmate!
Girl 2(jays ex girlfriend): I should of never gave him up. Treats you like a princess.