Someone who does things properly or as expected.
From old kids' t.v. show Romper Room, where the chick said "don't be a Don't Bee and do be a Do Bee." Morphed into good doobie, which is redundant.
I'm going to be a good doobie and go home early.
by Liberte June 14, 2006
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n. one who is faithful and dilligent in endeavors or relationships
1) Anyway, I'm going to try to be a good doobie and write it the right way, with Java Beans and events and all sorts of other glue

2) For the record, she got an 'A'. In fact, here is a very neat and historical
document showing what a good doobie she was in class

3) Don't turn the TV on at night unless you've been a good doobie on your new eating plan
by Adam Skinner May 8, 2003
Get the good doobie mug.
n. one who is be faithful and dilligent in endeavors or relationships
1) Anyway, I'm going to try to be a good doobie and write it the right way, with Java Beans and events and all sorts of other glue

2) For the record, she got an 'A'. In fact, here is a very neat and historical
document showing what a good doobie she was in class

3) Don't turn the TV on at night unless you've been a good doobie on your new eating plan
by Adam Skinner May 8, 2003
Get the good doobie mug.