The tipping of water on yourself - and posting a picture or video of it - has spread like wildfire between deaf friends on social networks.
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. See Pix After The Cut...