a photographer, often a freelance one, who takes candid shots, often in an intrusive manner, of celebrities for newspapers or magazines: usually used in pl.
See paparazzo in American Heritage Dictionary 4
(päˌpə-rätˈsō)
nounpl.pa·pa·raz·zi(-sē)
A freelance photographer who doggedly pursues celebrities to take candid pictures for sale to magazines and newspapers.