1. A young woman who has BPD (Borderline Personality Disorder) and is acting like a bitch. A negative word when used by others (mostly men).

2. A term those women with BPD can use about themselves to show others that they are in controll and successful despite their disorder. A positive and proud word when used by these women.

3. A substitute for "bitch" when she has BPD.

4. When a bitch without BPD acts crazy.
1. Last night she was a such BHD again.

2. Shut up! I might be BHD, but I'm proud of it.

3. I know you have BPD, but you are still a real BHD.

4. What the hell?! Are you a BHD now?
by Avara March 23, 2005
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An argument on social media that spirals into nothingness
This political thread is a Black Hole Discussion (BHD); I'm out
by rebelrebel92 January 26, 2017
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Bacon helicopter dick. used to refer to when a male wraps his shwong in bacon, is given a blowjob, then fucks with the grease still on.
*person 1* "babe wanna make the sex today"
*person 2* "no thank you but how about you give me a bhd"
by deathblack1421 December 3, 2018
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BHD = bad hair day ... you need GHD's on BHDs
Why do I always seem to have BHDs? Need to get this BHD sorted at my fav hair salon.
by bhdgal October 5, 2018
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