Noun - Abbreviation for Coventry University Students' Union.
The Students' Union (SU) of Coventry University's 18,000+ students.
CUSU is a student led, active organisation that engages with, empowers and represents the diverse student population of Coventry University.
Greg: "Hmm not sure whether to go to anything in Freshers' Week..."
Joe: "Ahh man, CUSU Freshers' Week is wicked, get yourself down the SU everyone will be there!"