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A person who sneers at the gym and those who attend.
Man 1: I've just been for a big gym session so I need to eat some protein.
Man 2: *rolls eyes* you're so sad.
Man 1: don't be a gainer hater
by BruceyB28 September 16, 2016
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A person who sneers at the gym and those who attend it.
Man 1: I've just been for a massive gym session so I need some protein.
Man 2: *rolls eyes* you are so sad.
Man 1: you're such a gainer hater
by BruceyB28 September 16, 2016
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