Used mostly on Instagram the hashtag #sharkhelp usually consistes of a picture of a shark protruding out of objects such as buildings, walls, cars, furniture, body parts, etc.
#sharkhelp pictures come in swarms. Once a picture is uploaded and seen by others it is immediately copied and re-uploaded. After most users will start to comment and like the pictures most comments consist of #sharkhelp or #sharkhelp #sharkhelp.
New #sharkhelp photo! Quick copy!! Hashtag sharkhelp!!! Upload!! Like!!