flak flak /ˈflæk/

noun

1. Artillery designed to shoot upward at airplanes  ( ack-ack , ack-ack gun , antiaircraft , antiaircraft gun , flack , flak , pom-pom )
   artillery designed to shoot upward at airplanes
   
   
2. [Informal] Intense adverse criticism  ( blast , fire , flack , attack , flak [Informal] )
   intense adverse criticism
    Clinton directed his fire at the Republican Party
   Clinton directed his fire at the Republican Party
    The government has come under attack
   the government has come under attack
    Don't give me any flak
   don't give me any flak
   
3. [Informal, N. American] A slick spokesperson who can turn any criticism to the advantage of their employer  ( flack [Informal, N. American] , flack catcher [Informal, N. American] , flak [Informal, N. American] , flak catcher [Informal, N. American] )
   a slick spokesperson who can turn any criticism to the advantage of their employer