This sound is from Little Britain Soundboard

Little Britain Soundboard, containing all your favourite characters, including Daffyd, Dame Sally Markham, Dennis Waterman, Dr Lawrence and Anne, Emily Howard / Florence, Harvey and Jane, Kenny Craig, Lou and Andy, Maggie and Judy, Mr Mann, Marjorie Dawes, Ray McCooney, Vicky Pollard, Sebastian and Michael, and of course Vicky Pollard.