This line is used to insult opposition in the moment of victory or revenge.
A line that would not nearly be as memorable if it weren't for its pitch-perfect delivery.
Properly used when one achieves victory or PWNage after taking something of another's when said n00b was unaware of what was going on.
Friend 2: d00d! He drank your milkshake!
Brother of friend 1: I DRINK YOUR MILKSHAKE! I DRINK IT UP!!