There are mutliple artists with this name: 1) Fuck Off is a split-up Spanish thrash metal band formed in 1986. They have two full length releases: Another Sacrifice and Hell On Earth. After Hell On Earth the band split-up in 1991. Josep Casas moved to a thrash band called Barbarian.
2) Fuck Off is a swedish constellation with Stefan Sundström, Johan Johansson & Guld-Lars (both from the Swedish punk band KSMB), Pappa Mats and maybe some other members.