If you said this to someone, you probably had your hand out with your palm up, expecting the other person to slap your hand. This evolved into “slap me some skin” and “gimme five” and eventually into the high-five.
A slang term for the police, you might not come across this today unless you read or watch The Outsiders, which is set in the ’60s. It was a derogatory term regarding the police as soft and incompetent.
In the ’60s, TVs were finally in almost every American household. This slang term referred to the cathode ray tube inside the original boxy TVs and to the zombified effect it had on so many watchers, rendering them “boobs.”
If you were dating someone exclusively in the ’60s, you were going steady. By the 80s, it had changed to “going out” and “going together,” and today has terms like “situationships” for it.
Related to the above, passionate kissing was called necking, maybe because it usually involved one or both participants having an arm around the other’s neck.