When your dick is so damn large, that the heaviness puts strain on your lower back, causing immense pain.
Example: Bangchan from Straykids was diagnosed with bdbpd by a tiktok account called nott.kpop
by nott kpop hahaha! August 17, 2022
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big dick back pain disorder,
the tragedy of having such a big dick, that they suffer from chronic back pain
Person 1: Bro i hate having bdbpd.
Person 2: That sucks man.
by nash-tressabread March 18, 2022
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