BM can either mean bad manners or bad mouth. It is a term that often used in competitive games that describes a person being unnecessarily mean to someone. BM-ing is the act of showing manners to that of a sore winner or loser in a match.
BM can either mean bad manners or bad mouth. It is a term that often used in competitive games that describes a person being unnecessarily mean to someone. BM-ing is the act of showing manners to that of a sore winner or loser in a match.
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