Top Definition
A short form for "bad mannering." Occurs frequently in online games (like LoL, WoW, SC2) in which a player will insult, rage or swear at another player on his/her own team, usually for no known reason.
Bob: "I was playing LoL last night and this guy wouldn't stop bming me"
Mary: "What a douche"
by woohoo1234 April 19, 2012
1 more definition
jacking off especially when hiding!!!!!!!!!!!!!!!!! !!!!!
Chris stop bming all the time!!
by sdsljfkjksdlhflsafkhsd May 07, 2008

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