London phrase to define excessive amount of boorish, loud or brash male behaviour, usually involving football, beer or cocaine abuse. In severe cases all three. A geezoff is the collective term for the event.
Hey there Si did you get to Bar Music Hall in Hoxton on Saturday like you said?
No mate, walked and it was a Quantititive Geezoff. Full of cunts. Some excessive Quantititive Geezing going on so I went home.
Good move, Si.