An acronym used as shorthand in the Brightwater area within the Tasman region on Te Waipounamu in Aotearoa New Zealand.

It stands for "Is the Brightwater Bridge open?".

This is a common question asked on social media platforms that rhyme with Vex, Mistook and Lucked In.

It is usually asked with great consternation and anxiety by those worried that the flooding river or an avalanche has closed this vitally important bridge on State Highway 6.
Trev: Hey guys, ITBWBO or has it been shut due to the avalanche risk?

Guy 1: My sis said she just drove over it 10 minutes ago, so it's not closed yet.

Guy 2: Idiot. The closest snow slope is 90 km away.
by Kiwi Puker September 2, 2023
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