Top Definition
The complexion on ones face while working out a common math sum, for example how much wage will be recieved or how much shopping can be bought.

The look is commonly made up of one or more squinting eyes coupled with a far away or thoughtful look.

One corner of the mouth may also extend upwards.
John gave me the math face when I asked him how much he was selling his star wars collection for.
by tommyhaych September 17, 2006

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