1. Two men who share anal sex with the same female 2. Best of Friends for life through anything. Indicitative of a style of relationship that you are so close you'd be willing to break all rules and boundaries for him. 3. If times get tough and no sex is in sight, you are or would be willing to allow anal sex with your Salad Buddy (even though you are both straight). 4. Casual Homosexual partner.
Hey, Ethan is my salad buddy for life!