Top definition
A failure in a maths exam or test. Or a failure involving any maths-related problem or scenario. Dervies from the word Maths, (M) Addition, (a) Numbers, (N), Division (D) and Obtuse, (O). Commonly used in the east-Midlands area of Britain, this word is growing in usage.
Teacher: What do you think of the fact that you got 25% on your Maths exam?

Boy: It's a Mando-fail.
by ChocoholicCatholic23 July 18, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug