A Quickscopin-Koozar is a person most likely a male ranging of the age of 12-18 that is in the prodigy clan or a average everyday quickscoper on call of duty.
Call of duty quickscope shot that is recorded for montage purpose
Nevin: OMG that was a Quickscopin-Koozar shot man!
RyanTheManager: Recorded get pwned noob!
Mathew: OMG Prodigy!
Caveman: Wow that was a Quickscopin-Koozar, love you man