flack 1 
(flăk) Informal
(flăk) Informal n.
A press agent; a publicist.
v. flacked, flack·ing, flacks
v.intr.
To act as a press agent: flacking for a movie studio.
v.tr.
To act as a press agent for; promote: authors who tour the country flacking their books.
[Perhaps after Gene Flack, a movie press agent in the 1920s and 1930s.]
flacker·y n.