Slow Air Jerk
The air jerk done extremely slow while making eye contact. The slower and more deliberate the jerk, the more inappropriate it will be perceived, popularized by the show "The Whitest Kids You Know".
Man 1: Wanna go play some table tennis?
Man 2: (looks man 1 dead in the eyes and slowly mimics jerking off and eventually climaxing to orgasm)
Man 1: Gross dude, don't slow air jerk, come on stop doing it so slowly!
Man 2: (looks man 1 dead in the eyes and slowly mimics jerking off and eventually climaxing to orgasm)
Man 1: Gross dude, don't slow air jerk, come on stop doing it so slowly!