You're in line at the grocery store, losing your mind while the fool three down for you argues about the Bratwurst expiration date.  Hurry the line up by referring to this chart on your phone.  Tactical Hand Signals.

To hurry up the queue, start practicing in line with the Hand Gestures.  Might one to avoid the ‘you' one to another person but still.  You get practice – and hopefully the line moves  faster.