The act of putting your face into the crook of your elbow which is called dabbing. Dabbing was invented by the rap group Migos. If you are white and do it around your black friends then they are almost guaranteed to lose their shit.
Black Guy : Hey man do you know how to dab?
White Guy : Yeah. *Dabs*
All Nearby Black Guys : OH SHIT!!! THAT WAS FUCKING CRAZY!!!
a retarded but effective dance move involving the act of moving one hand in a 45 degree angle to the face (particularly mouth and nose area) and stretching the other hand at a 45 degree angle lift keeping your hand straight