suche ein beliebiges Wort, wie b4nny:
 
1.
Don't Fuck It Up
ok guys, NASA needs this part to be Top secret with no Flaws, DFIU
von Security man of the century 8. Mai 2011
 
2.
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
von a_girl_called_toby 19. April 2009