ear hoppin
Standing right next to someone and pretending you didn't hear a single word they said. Like they're not even talking.
He was right next to his teacher and still heard her call him a ‘loser.’ Ear hoppin’ pro.
She was in the hallway and heard her crush say her name. Ear hoppin’ legend.
I heard my brother talk about my report card from the other room. Ear hoppin’ for life.