When a person falls off and or gets hurt on excersize equipment.
"dude, I went to the gym and watched a man falling off a tredmil, pulling a brian"
by Injunn July 2, 2009
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When someone cleans their shaft by putting soap in their hand and masturbating.
Brady: "Im gonna go take a shower"
Chase: "He's 100% pulling a brian"
by XSexHaver6969 July 20, 2022
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