What is the meaning of Nolla?

zero

digit zero

a person of little worth or usefulness, cipher, good-for-nothing

neutral (electrical terminal or conductor which has zero or close to zero voltage with respect to the ground)

zero

zero

a zero; the symbol, or digit, "0".

a zero (of a scale)

a loser, nobody

a person who recently started university or gymnasium, and has not yet been "introduced" to the school by the older students; person taking part, as a new student, in an orientation week

to reset, to calibrate to zero

to haze (initiate a new student, called nolla, noun)

to shut out, to prevent (an opponent) from scoring

Source: wiktionary.org