vyhledat jakékoliv slovo, například tribbing:
Don't Fuck It Up
ok guys, NASA needs this part to be Top secret with no Flaws, DFIU
od uživatele Security man of the century 08. Květen 2011
Dont Fuck It Up
before embarking on any important task or activity a chant of DFIU (pronounced dee phi you) would usually be heard among participants
od uživatele a_girl_called_toby 19. Duben 2009