Whats that music video with eminem and and in one part it says something about a taxi?

i really have no clue what it is i was in a rush when the music video came on and i didnt finsh but manly what i could get was there was eminem and this black dude and in the music video.. when they said something like a big word or a word that was very symbolic it would be spelled like on the screen with diffent types of font for each word.... and in the chores i heard sumting about a taxi sooo..