Something that is so lame, that it actually draws energy from the person who witnesses it.
1. "I saw that new Steve Martin "Pink Panther" movie and it was thoroughly weakening."

2. "I felt weakened after watching that lame comic on the "Tonight Show."
by ThePaulHenderson November 23, 2010
When the buttocks of a woman are so soft and plump that they have the ability to make a man ejaculate prematurely.
Damn! Did you see that ass? That shit was Nut Weakening!”
by AlwaysHip March 11, 2021
This is the definition of B-Con and a reflection of all of the town OldBridge in dirty jersey. The weakening sour mean that B-Con loves drinking cosmos with the roomies, sex (with girls of course) and being in dark and lonely spiritual places. Smoking bowls and sweening.
Commons 223 Weakening Sour
by club 223 November 10, 2009
It is a verb and the opposite of strong. It is mean it will be less strong.
You have a strong coffee and you add water, so the water weakens the coffee.
by Zazou February 16, 2005