BJ

1) bachelor of journalism
2) blow job (vulgar slang)
3) Boris Johnson a former Prime Minister of the UK

Mom, what does BJ mean?

A.B.H.D

Anything But Homework Disorder. It is characterized by compulsive need to come up with things to do in order to avoid doing the school work. Many high school and college students suffer from this condition.

Guy:"I have the A.B.H.D."
Girl:"Oh..."
Guy:"Yes Anything But Homework Disorder. I hate that class."

ABHD

Anything But Homework Disorder: A condition in which the person affected compulsively looks for things to do in order to avoid, or just procrastinate, doing her homework. It is quite common among High School and College students alike.

Guy: I have ABHD
Girl: Oh, really?
Guy: Yes, Anything But Homework Disorder,... it's pretty bad,... really...

cockamamie

Jane Austin's way to use the word "cock" with impunity

Cockamamie poppycock, I need to marry a rich man!