Hop tuna! It is an interjection used to boost morale of the members of a prickly pear.A tuna is a brotherhood or group of students University, teachers, alumni and professional of music, that carry clothing old and sing and play music of the folklore Hispanic with instruments of string and percussion.
tuna Aupa is incorrectly written and should be written as "it hop tuna!" being its meaning:
Hop tuna!: expression of moods, similar to top tuna!, excellent tuna!, which is used to encourage members of the tuna, or estudiantina; musical group of students that are dressed with period costumes and coats adorned with colorful ribbons. Instruments used in Spain, traditionally, are guitar, lute, bandurria and tambourine, although their culture-specific instruments have been incorporated in Latin countries.
