Here's a variation that I had in a JV game earlier this year; as soon as a goal was scored, the scoring team's parents AND even players, started counting 1 - 2 - 3 - 4 - 5 in order to draw a five second count on the ensuing inbound. Of course, their 5 seconds took about 2 1/2 to count and they never bothered to wait until the other team had access to or control of the ball.
I asked one of the players what he was doing during a short break and he said their HC felt they got hosed in a game a couple of weeks earlier on a non-5 second call and so the coach required them all to now count the seconds. And the parents then got into the act. Of course, what it really did was cause the other team to rush their inbounds thinking they were out of time.
So I went over to the HC and told him to have his players knock it off ASAP or he would get hit with a T for unsportsmanlike. He complied, but felt that officials in general don't start the count soon enough - which he said should be as soon as the ball goes through the goal.
