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1.
Floor-nigger(s) occur in high frequency when an undead man usually of Nazi zombie origins, has his legs removed by ballistic means
"oh no no no no mate mate, floor-nigger floor niggers, watch out for the floor niggers" or " oh no no no mate we have a nigger breach"
by catboyrico April 16, 2009
 
2.
A vacuum robot, one that works while you are away. Such as a Roomba etc.
I have so much more time now to spend on the internet watching porn, and jerking off to pictures of your whore mother, now that a floor nigger vacuums for me every day!
by Skyynet November 14, 2010