Bum
Used by BK to insult someone. When someone does something wrong you call them a bum. Can also be used in the context of joking for when they are being an "idiot" or a goof. Also can be used as a filler if you do not know what to say.
Person 1: can you help me with this?
Person 2: sorry. can't i'm to lazy.
Person 1: Your being such a bum.