Short for King of Substance Abuse, That one friend who gets completely shitfaced and abuses multiple drugs almost everyday.
Note: There is a "B" instead of an "A" because the "A" is very quiet in abuse.
Note: There is a "B" instead of an "A" because the "A" is very quiet in abuse.
BRO 1: dude, did you hear about what john did last night at the party?
BRO 2: yeah well he is the KOSB so I can't say I'm surprised...
BRO 2: yeah well he is the KOSB so I can't say I'm surprised...
by therealKOSB October 10, 2011