It's a polish phrase meaning huj w dupe policji
translated to fuck the police basically.
don't think i need an example of H.W.D.P.
H.W.D.P. is the Polish shortcut and means "Hugo wraca do Polsatu" - that way: "Hugo comes back to Polsat"
Hugo is a funny little troll who plays whith a kids on screen of Polish TV-station names Polsat.
All of Polish kids wait for his adventures every saturday.
-Polish TV is booring, men...
-For true? No way!