The quick tensing and releasing of muscles, often the arms,legs,back,chest and neck which creates a POP effect is popping. Designed to be done on beat. see popping
Locking is a funk dance created at the early 70's by Don Campbell There was a dance that was popular at the time called the Funky Chicken. Don Campbell didn`t know how to perform this dance properly because every move he did, he used to "lock" his arms. Then the people would say to him: "Do the Lock, Campbell". He created some more moves and patterns and called his new dance "Campbellocking" or just "Locking" for short. see locking
Locking involves a lot of pauses, wrist rolls, bounces, and points.
-the usual, bboy, pop and lock, just dance ya know.
You: Hot damn! Let's go scope it out!