What is Barely Legal?
1.
1) The age at which a girl is just old enough to have sex without getting the older man in trouble with the law.
2) A very fine pornographic magazine depicting teenage girls.
1) Jimmy: Hey Johnny, how old is your girlfriend? She looks really young.
Johnny: She just turned 18!
Jimmy: You lucky dog, she's barely legal!
2) I looked at the naked pictures in the latest issue of Barely Legal.