WATCH : Lesbian Discusses What Counts As Sex

As lesbians, we often get asked this question : "Is lesbian and gay sex REAL sex?" Well, what defines sex? The dictionary has a few different meanings...and so do people. Some say it's anything being penetrated by a penis and to that I say "I guess we can fuck around with your girlfriend, Mr. Straight Guy, and it not be considered cheating." How do you define sex?