Whirrrrr . . . Whoosha . . .
Whappety Whap . . .
Ploop . . . Ploop . . .Whshhh . . .
Shwpp . . . Shwpp . . . Shwpp . . .
Have you figured it out? The picture below should have been at the beginning . . . My first time at an automatic carwash . . . have I mentioned that I'm easily amused?