English▸ noun
1 the action or practice of inhaling small quantities of a concentrated and vaporized drug, typically cannabis oil or resin:
even among marijuana proponents, dabbing is a polarizing topic.
2 the action of performing a dance move or gesture, originating in hip hop and often done as part of a celebration, in which one arm is bent at an angle across the chest while the other is fully extended parallel to the first arm, with the face turned toward the bent elbow:
he made an attempt at dabbing after his team won.
– ORIGIN early 21st century : dabbing (SENSE 1) from dab1 in the sense ‘a small portion of cannabis oil or resin that is inhaled’; dabbing (SENSE 2) is of uncertain origin but is possibly related.