Ogie: Oh, I quit after one practicet
Aidan: What? Why?
Ogie: I feel like a fish out of water (smile)
Aidan: (imagining a fish out of water and gasping for air) OK, that means you were out of breath when practising with them? (serious face)
Ogie: (laughing): No, I just feel uncomfortable and akward there, OK I’m done see you at the cashier (points out of the picture)
According to http://idioms.thefreedictionary.com
a fish out of water: someone who is uncomfortable in a particular situatio