When a person's torso and head are significantly larger and non-proportional to their arms and legs, so that the person being observed looks quite like the movie character Gru from Despicable Me.
Guy 1: Hey dude, did you see that wierd bitch at lunch today? Her body was so un-proportional!
Guy 2: Yeah, she looked like a prime example of the Gru Body Proportion.
Guy 2: Yeah, she looked like a prime example of the Gru Body Proportion.
by UnderOber June 14, 2017
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