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I Hate Boys Club =a club for girls, by girls.
m= ohmygozza, he broke my heart and now i am going to join the I.h.b.c :[
i.h.b.c by mcmcmc August 14, 2006
Related Words
HB hbo hbd HBIC hbs hbb Hbc HBK HBG HBM
Head Bitch In Charge... The female counterpart to the H.N.I.C or the H.M.F.I.C. The "Alpha female"... A lady boss...
I'm the H.B.I.C. of this patch of blue...
H.B.I.C by Shedevil925 January 14, 2006
The short abbreviation for the arabic word, habibi
Hey hbb, we going to the mall tonight?”
“Yes, see you later hbb:)”
Hbb by CGM902 May 8, 2018
Louise is definitely a HB10
HB10 by Bosnia Tesco September 14, 2011

Hbd Rate 

Writing some form of "happy birthday" on someone's wall on Facebook based on how well you know/like the person.

-Don't know the person: Don't say happy birthday

-Don't like the person: "hbd"

-Indifferent to the person: "happy birthday"

-Don't know but still like the person: "happy birthday!"

-Talked to the person once or twice: "happy birthday!!" or "Happy Birthday {insert name}"

-Friends but not close friends: "Happy Birthday {insert name}! Have a good one!"

-Good friends: "Happy Birthday {insert name}!!!!!!!! {insert inside joke} have an awesome day!!"

-Best friends (mostly for girls): Long and obnoxious post taking up half the newsfeed filled with hearts and inside jokes
Dude, Emma just wrote "hbd" on your wall...according to the Hbd Rate it looks like she's mad at you.

I didn't know Hannah liked me so much until she wrote "Happy Birthday" on my wall with 5 exclamation points! Damn, that's high on the Hbd Rate!

Ew I don't even know this kid...guess I won't wish him happy birthday since I religiously follow the Hbd Rate.
Hbd Rate by Kevinn07 July 31, 2011
Hyper Bitch Mode
A synonym for PMS, premenstrual syndrome.
Guy 1: hey whats up?
Girl: blah blah blah fuck you!
Guy 1: what did i do?
Guy 2: don't worry about it man, she's just in HBM.
Guy 1: oh, alright then.
HBM by Santhony January 2, 2010