" dab hand "

 [ "dab hand" ]

1: To be good at something, to be an expert in a specific field, to have a way with something that makes that person better than your average Joe

  * e.g.,  ... Percy Thrower's a dab hand in the garden - his plants always flower more than anyone else's. 

 [ "One Handed Dab" ]

1: A retarded/lazy way of doing a "normal" dab but with only one arm It is often used by 9 year old Jacob fan's that wan't to be "cool"

  * e.g.,  ... Ha! look at that kid doing a One Handed Dab! 

 [ "One handed dab" ]

1: When you feel the need for a sick dab but you’re playing Nintendo wii so you can only use one hand

  * e.g.,  ... One handed dab - the movement of the inner part of the elbow over the face in rapid or repeated movement