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Forgetting how bad bangs look on you and getting them cut again
Robyn: how do you like my new haircut?
Beth: I see you got bangs again...
Robyn: Bangnesia again! Why didn't you stop me? There should be a medical alert bracelet for this!
by Rocking Yellow February 03, 2018
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Jun 5 Word of the Day
A pubic hair piece. A toupee for the pubic area/genitals. In the 1700’s when mercury was used to treat sexually transmitted diseases (Gonorrhea or Syphilis) one of the side effects was the loss of pubic hair. To disguise this condition, that was not cured by mercury, a Merkin was employed.
17th Century setting: Due to his treatment of the "French Pox" (syphilis) with mercury a merkin Gwendolyn used a Merkin to used to hide the side effects of hair loss and not alarm her husband.
by David W. Tuthill December 30, 2005
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2
When you can't remember who you have banged.

When you can't recall how many people you have had sex with.
Wait! I tag teamed you and your brother? I have bangnesia so I don't remember.
by Kaua'i girl May 24, 2017
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3
the temporary loss of memory as a result of a really passionate sexual encounter
I couldn’t find my keys last night after you gave me bangnesia.
by Paolo Pinta October 04, 2019
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