Lunch Nazi Share definition Flag Someone (commonly in the group of people you usually go to lunch with) who dictates the time at which lunch is taken. Steve is such a Lunch Nazi! He won't let us go to lunch until 11:30... What an ass! Lunch Nazi by DR. CAUSE June 24, 2009 0 0 Get merch Get the Lunch Nazi mug. Buy Now — $32.95 See more merch