Cold water challenge, water-tipping, deaf-drenching
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#BBCtrending: The 'self-drenching' craze in the deaf community

16 July 2014 Last updated at 10:01 BST

The "cold water challenge", "water-tipping" - call it what you will, there's a new craze in the deaf community. The trend for dropping a bucket of water over your own head was started by non-deaf people but it has recently been appropriated by a close-knit network of deaf people in the UK.

BBC Trending reports on how tipping water on yourself - and posting a picture or video of it - has spread like wildfire between deaf friends on social networks.

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