What Does BC Mean? BC stands for Big Chop. This is the process of cutting off all relaxed, chemically treated or damaged hair and leaving just the natural hair to grow out. POSTS RELATED TO THIS TERM How I Avoided the Big Chop In Order To Restore My Hair’s Natural … How To Know When It’s Time To Big Chop Can A Big Chop Ruin Your Relationship? BIG CHOP! Now What? TweetPinShare0 Shares Home » Glossary » B » What Does BC Mean?