The battle cry of the Hammerskin Nation (a large and extremely violent group of racist white power skinheads hailing from such locations as the southern, westerm and midwestern United States in states such as Kansas, Texas, Missourri, Colorado etc. Some chapters showing up even as far as European countries) This expression stands for "Hammerskins Forever...Forever Hammerskins.
Speaker at a Skinhead rally: HAMMERSKINS FOREVER!!!!
Skinheads in the crowd: FOREVER HAMMERSKINS!!!!
Skinhead: I got this HFFH tattoo on my head above my right hear and it hurts like hell!!