Top definition
Unjustifiably spill a bottle of water at someone who presumably humiliated you.
Sitting in a restaurant person A says that person B has a big butt. Person B in response does the Efre on person A.

A: "You have a big butt!"
B: "Don't say that! I will do the Efre on you!"
by One of the people July 10, 2008
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