to get extremely drunk; an extreme case of being hammered, derived from the Norse god whose weapon was the hammer Mjolnir
Dolla: "Oh man, I was so hammered last night."
Chis: "Psh, what did you have, like two Appletinis? Lester had 2/3 of that handle of Kessler before we even went to the bars. He was so Thorred by last call."