Someone that is so amazing and is always there for you. They are always there when you need them. They even bring you chicken nuggets when they are nine months pregnant. They never stop being there, and have an amazing ability to show up.
2. A person who calls you a faggot and you call a queer in return.
Person 1: We can be FB/GB/LB/and whatever buddies there is out there!
Person 2: How about we cut it short to BB for Best Buddy.
Person 1: Good idea!
2. Person 1: Fagggot.
Person 2: Queeer.