What is Do The Efre?
1.
Unjustifiably spill a bottle of water at someone who presumably humiliated you.
1.
Sitting in a restaurant person A says that person B has a big butt. Person B in response does the Efre on person A.
2.
A: "You have a big butt!"
B: "Don't say that! I will do the Efre on you!"
See