From bing (“thump, sudden bang”) + -le (diminutive suffix).
Meanings
(Australia, informal) A minor collision, especially between motor vehicles.
"I, uh . . . " I managed, "I seem to have had a bit of a bingle." I pointed a thumb behind me at the car. 2006, Lee Battersby, A Stone to Mark My Passing: Through Soft Air, [138 page 138]:
It is always an advantage if you have a sexy car, but if you pick her up in a rusty Datsun 180B you may as well say goodnight.[…]There is also the worst-case scenario of being involved in a bingle. If this happens you will definitely be finished and she will probably sneak off on you if she manages to escape injury. 2005, Johnny Blue, The Blue Riders' Club, [144 page 144]:
‘But you've still got your father′s car haven′t you?’ ¶ ‘No. Had a bingle in it the other night, nothing major. I just hope to hell it′s fixed before he finds out.[…]’ 2010, Felicity Young, Take Out^([163]), page 163: