Define Cayote Meaning

The cayote helped the migrant family cross the dessert from Mexico into Arizona.

26 yr old woman: "hey what's the story with Frank, he's single right?"

friend of 28 yr old guy in question: "forget it, he's a cayote, his last 3 woman-friends have been over 40"

Person1: "You're such a cayote."
Person2: "Why?, because there are 19 recognized sub species of me"
Person3: "I see what you mean."