Drunker than thou
Excessive pride in one's drunkenness. The need to prove that one is in a superior state of inebriation than others.
Person 1: "AH im like blackout drunk right now!"
Person 2: "We're all having a good time, no need to act drunker than thou."
Person 2: "We're all having a good time, no need to act drunker than thou."