HODL is
slang term in the Bitcoin community that describes it as a principle to keep investing with Bitcoin and not give up on the decline in bitcoin prices
A favorite spell from Bitcoin holders. In Bitcoin community
HODL is backronym for
Hold On for Dear Life. HODL becomes an original term for Bitcoin, this term is not derived from forex.
The word HODL was first popularized by a user named "GameKyuubi," uploaded shortly after what is currently remembered as the legendary Bitcoin price fall in December 2013. The post is known as I AM HODLING. letter D before the letter L
GameKyuubi "posted that he is a bad trader and “I KNOW I'M A BAD TRADER’, He said.
He criticized other traders who suddenly sold their coins because of the price fell. He said,”You only sell in a bear market if you are a good day trader or an illusioned noob. The people inbetween hold. In a zero-sum game such as this, traders can only take your money if you sell’.
He principled not to sell his coins even if the price plummeted. By holding back his emotions he said: "I am Holding." But he he wrongly wrote the word hold to hodl. “ I AM HODLING “he wrote down the post title.
This the original post by GameKyuubi
https://bitcointalk.org/index.php?topic=375643.0