To be used to end an argument, or as a jovial greeting.
-If repeated too often, family and friends could disown you.
-Blind people don't appreciate this phrase
Variations and applications:
-You've got no eyes!
-Looks like somebody doesn't have any eyes!
-Look at that... Oh sorry, you have no eyes!
-Why don't you grow a pair... of eyes!
Fat guy in denial: Well... You have no eyes!