Lexicologically or based on the dictionary, the noun 'yell' may be defined as an organized shout of support for a team (cf = compare: online Oxford Learner's Dictionary). In relation to this, on Monday, 12 October 2015, USD PBI-ers taking SPD (Service Programme Design, which is a compulsory subject) performed their SPD yells on an open stage in USD campus two, Mrican, in order to keep their spirits high.
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