None of these ever caught on in the real world, except the Twist. (And maybe the Teaberry Shuffle a few years later.) Occasionally someone would do a step of the Swim, but ironically. Sid Vicious did bring back the The Freddy (though it was renamed the Pogo).
Shirley Ellis gave no description of the Nitty Gritty in her eponymous song, so Bobby Banas came up with choreography nobody could properly emulate:
