Cheering words known by fans of the Instituto Politecnico (IPN) in Mexico. City, I think. Huelum, huelum, Gloria! The cheer continues with "a la cachi cachi porra, porra. A la cachi cachi porra, porra..." And I have no clue what the words mean. Is there anyone out there who will shed light on what this means, to a non-Mexican? Thanks.