Obtuse Bitch Overreacting to Shit or Overreacting Bitch Overreacting to Shit. This can include SJW flip-outs, feminazis being triggered, LGBTQ-RSTUV demanding special consideration, etc.
I saw this gril on Insta post a selfie that said, "Who says a girl with depression can't wear a tube top?" and I thought, "Wtf? Literally no one has ever said that shit. This is a clear case of OBOS."
by DrScoundrel68 June 16, 2018

Ashley: Dan, you're so old... and Homeless!
Brandon: Ha ha ha.. Dan, you're an oboe!
Sheena: I'm queen of the f'n jungle and I love peanut butter! Oh, and ha ha.. Oboe! ha ha ha
Brandon: Ha ha ha.. Dan, you're an oboe!
Sheena: I'm queen of the f'n jungle and I love peanut butter! Oh, and ha ha.. Oboe! ha ha ha
by Precision Nationally August 23, 2011

Obo Stands for Overseas Building Office, it is the new US office in charge of constructing and managing any US facilities in foreign countries.
by Fred18 July 21, 2006

Acronym meaning "Official Blow Off". Defined as the formal notification given to someone when they are truly not interested and the fade away has finally kicked in.
After numerous phonecalls that Jen made to Rick were unanswered, she finally realized that she had been given the OBO.
by Snocap September 20, 2006

by uncle rub and shag nasty August 10, 2008

by Holden Smith December 3, 2006
