1 definition by Matt Wegener

someone that you are partnered with, where you are each responsible for each others actions wether good or bad.

(from Southpark Season - 11, Ep. - 02 "Cartman Sucks")

also see - accountabilabuddyable

1)Butters - "Bradley!! dont jump! youre my accountabilabuddy! hows this gonna make me look??"

2) Counsellor - "this is just as much your fault Butters, Bradley is your accountabilabuddy, that makes you accountabilabuddyable!"
by Matt Wegener May 15, 2007
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