Top Definition
The ability to instantly add up the weights on a bar-bell or perform any other "In The Gym" calculations almost instantly.
"45, 10 and 5 on each side that's 165lb"(Marcin)

"Dood, you hit 405 for like 3, that means you should probably max out at like 435." That's some real Bro-Math
by Tiny G December 14, 2012

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