Na Moif
A Na Moif is someone who can drink enough to make a sailor cry and still remember the formula for the quadratic equation. It's like having a brain made of alcohol and a liver made of steel.
'Na Moif!' he said after drinking all the juice and still solving the math problem.
'Na Moif!' she shouted after drinking the whole bottle and still knowing the answer.
'Na Moif!' he yelled when he was so drunk he passed the test but forgot his name.