bubbly - When a person is very lively, cheerful and talks a lot.
borderline - Unclear and uncertain whether something is in one category or another.
bothersome - Causing irritation or annoyance.
boobytrap - A seemngly harmless object containing a concealed explosive device designed to kill or injure anyone who touches it.
buffer - A person or thing that reduces shock or impact.
brute - A violent or savage person, lacking in kindness or intelligence.
boor - A rude or insensitive person, who doesn't have good manners.
booming - Very loud or very successful.
bootcamp - A type of physical training that consists of many different types of exercise; or a short course of intensive study designed to provide someone with new skills
bossy - When a person tends to order people around and tell them what to do, being overly authoritative and domineering.
brisk - Active, fast, and energetic.
booty - Not showing or feeling interest or concern about something.