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1.
A very serious but common illness.

Having Mathritis is common amongst teens in high schools. Usually needs one day of recovery, studying is best medication. Signs of mathritis often show in the early morning on the same day of a math test, or late night before the day of the test.
Meghan: "My boyfriend is very sick today and is not at school".

Devan : "What a coincidence, he must have Mathritis".
by Devvi95 August 13, 2012