To get unbelievably drunk. So drunk you make awful decisions, mostly for the benefit of yourself and no-one else causing utter turmoil to many people around you. You will become a complete and utter arsehole, talking about topics you have no knowledge or passion about.
Guy 1: "What you up to tomorrow night"
Guy 2: "Mate I'm getting Sepp Blattered... Christ I don't expect to see tomorrow"
A word made famous by Catherine Tate as the character Lauren Cooper in The Catherine Tate Show. Used as part of her catchphrases when she was angry or embarrassed.
"Am I bovvered? Am I bovvered though? Look atmy face. Is it bovvered? Arks me If I'm bovvered! Look, face, bovvered? I ain't bovvered!"